C₂H₄O₂ CAS No. 64-19-7 UN 2789

Acetic Acid Manufacture & Supplier

As a leading global supplier, GNEE BIO focuses on providing industrial-grade glacial acetic acid with a purity of up to 99.99% to B2B customers worldwide. Our glacial acetic acid is ISO certified, ensuring stable purity, low moisture content, and quality traceability, and is supported by comprehensive documentation (COA, SDS, TDS, MSDS, REACH).

GNEE BIO

Acetic Acid Manufacture & Supplier

A leading producer, manufacturer, and supplier of high-purity glacial acetic acid (CAS 64-19-7), with large stock available at competitive prices. Acetic acid with extremely low water content, suitable for a wide range of industrial applications. Get a free quote now!

Item	Value
Product name	Glacial Acetic Acid (Acetic Acid, glacial)
Chemical name	Ethanoic Acid
Molecular formula	C2H4O2
CAS number	64-19-7
EC (EINECS)	200-580-7
Molecular weight	60.05 g/mol

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Overview Of High Purity Glacial Acetic Acid

Glacial acetic acid, with the chemical formula C₂H₄O₂, also known as acetic acid, is a colorless, transparent organic acid with a strong, pungent odor. It is one of the most widely used and in-demand basic chemical raw materials in the global chemical industry.

When acetic acid has a purity of ≥ 99.5% and crystallizes at low temperatures, it is usually called glacial acetic acid. This product plays an irreplaceable role in chemical synthesis, textiles, agrochemicals, food additives, solvent systems, and surface treatment.

As a major manufacturer and exporter of bulk chemical raw materials serving global B2B clients, we focus on providing stable, compliant, and sustainable Glacial Acetic Acid solutions for the African, South American, Middle Eastern, and Southeast Asian markets, supporting long-term contracts, partial deliveries, and customized specifications.

Whether you need it for food additives, textile production, raw materials, or industrial synthesis, we can provide internationally standardized, highly competitive glacial acetic acid products, guaranteeing delivery times and eliminating your worries about quality and stockouts.

Product Identification

Item	Value
Product name	Glacial Acetic Acid (Acetic Acid, glacial)
Chemical name	Ethanoic Acid
Molecular formula	C2H4O2
CAS number	64-19-7
EC (EINECS)	200-580-7
Molecular weight	60.05 g/mol
Synonyms	GAA; Glacial Ethanoic Acid
UN number	UN 2789 (acetic acid, glacial); UN 2790 (solutions)
GHS classification	Corrosive; Flammable liquid
Appearance/odor	Clear, colorless liquid; pungent vinegar-like odor

Technical Specifications (Typical)

Parameter	Specification/Typical
Assay (acetic acid)	≥ 99.8 wt%
Water (H2O)	≤ 0.20 wt%
Color (APHA)	≤ 10
Formic acid	≤ 0.05 wt%
Aldehydes (as acetaldehyde)	≤ 0.05 wt%
Non-volatile residue	≤ 0.005 wt%
Iron (Fe)	≤ 0.5 mg/kg (ppm)
Chloride (Cl−)	≤ 1 mg/kg (ppm)
Heavy metals (as Pb)	≤ 1 mg/kg (ppm)
Total organic impurities	≤ 200 ppm (typical)
Inhibitors/additives	None added (standard)

Basic Physical Properties (20–25°C unless noted)

Chemical Composition

Component	Typical content
Acetic acid (CH3COOH)	99.8–100 wt%
Water	0–0.2 wt%
Formic acid	≤ 0.05 wt%
Aldehydes (as acetaldehyde)	≤ 0.05 wt%
Methanol/ketones	ND–10 ppm
Inorganic ions (Cl−, etc.)	≤ 1 ppm each
Metals (Fe, Pb)	Fe ≤ 0.5 ppm; Pb ≤ 1 ppm

Physical Properties

Property	Value	Conditions/Notes
Appearance	Clear, colorless liquid	Pungent odor
Odor threshold	~0.48 ppm (air)	Indicative
Melting/freezing point	16.6–16.7 °C	Solidifies near room temp
Boiling point	117.9–118.1 °C	At 1 atm
Flash point (cc)	~39–43 °C	Closed cup
Autoignition temperature	~485 °C	—
Flammability	Combustible	Vapors may form explosive mixtures
Density	~1.049 g/cm³	At 20 °C
Relative vapor density	~2.1 (air = 1)	—
Vapor pressure	~1.5–1.6 kPa (11–12 mmHg)	At 20 °C
pKa	4.76	At 25 °C (in water)
Viscosity	~1.22 mPa·s	At 25 °C
Water solubility	Miscible in all proportions	—
Partition coefficient (log Kow)	~ −0.31	—
Refractive index	~1.371	At 20 °C
Explosive limits (air)	~4–19% v/v	Vapor in air
Surface tension	~27–29 mN/m	At 20–25 °C (approx.)
Heat of vaporization	~390–400 kJ/kg	At bp (approx.)

Packaging Options

Package type	Nominal size	Materials	Closure/Features	Typical use case
HDPE drum	200–220 L	UV-stabilized HDPE	Tamper-evident bung; vented cap	Medium-volume users
Steel drum (lined)	200 L	Internally coated steel	Corrosion-resistant lining	Hot climates/long storage
IBC tote	1,000 L	HDPE bottle in steel cage	Vented UN cap; bottom valve	High throughput; reduced handling
ISO tank	20–26 kl	Stainless steel, passivated	Pressure/vacuum relief; bottom outlet	Bulk/continuous users
Tank truck	15–35 kl	Stainless steel	Regional deliveries	Large local deliveries
Small packs	25–30 kg	HDPE jerricans	Sealed caps	Lab/pilot or restricted sites

Storage & Handling

Item	Recommendation	Notes
Storage temperature	Keep cool; avoid >30 °C	Solidifies ~16–17 °C; provide mild heating if needed
Materials of construction	304/316L SS; PTFE gaskets	Avoid reactive metals/carbon steel for long-term
Ventilation	Good local exhaust; closed transfers	Control vapors/odors
Segregation	Away from oxidizers, bases, reactive metals	Corrosive/combustible
Static/Bonding	Ground and bond during transfer	Prevent ignition
PPE	Chemical goggles/face shield, acid-resistant gloves/clothing	Provide eyewash and safety shower
Spill response	Contain; neutralize with NaHCO3; absorb; dispose per regs	Trained personnel only
Firefighting	Alcohol-resistant foam, CO2, dry chemical	Refer to SDS; water fog to cool containers
Shelf life	Stable if sealed and uncontaminated	Periodic assay/color checks
Winterization	Gentle warming for solidified product	Heating coils/blankets; avoid overheating

Regulatory & Compliance

Item	Details
GHS/CLP	Corrosive; flammable liquid (labels per region)
Transport classes	IMDG, ADR/RID, IATA compliant packaging/labels
Documentation	COA, SDS, TDS, invoice, packing list, B/L
Registrations	REACH/other local registrations (where applicable)
UN proper shipping name	Acetic acid, glacial (or solution by conc.)
Packaging group	II (typical for glacial) — confirm per SDS
EmS/ERG guidance	Available in SDS/transport docs

Regulatory and Safety Snapshot

Test	Typical target	Method
Assay (acetic acid)	≥ 99.8 wt%	GC/titration
Water	≤ 0.20 wt%	Karl Fischer
Color (APHA)	≤ 10	ASTM D1209
Formic acid	≤ 0.05 wt%	GC/HPLC
Aldehydes	≤ 0.05 wt%	GC
Metals (Fe, Pb)	Fe ≤ 0.5 ppm; Pb ≤ 1 ppm	ICP-OES
Chloride	≤ 1 ppm	IC
Non-volatile residue	≤ 0.005 wt%	Gravimetric
Optional: GC-MS scan	Trace organics profile	On request

Logistics & Shipping

Item	Options/Details
Incoterms	EXW, FOB, CFR, CIF, DAP (select markets)
Modes	Sea (FCL/LCL, ISO tank), road/rail; air for urgent small lots
Insurance	Marine cargo insurance available
Inspection	SGS/BV pre-shipment/loading/destination (optional)
Labeling	GHS-compliant, multilingual labels; QR/Barcodes
Traceability	Batch/lot numbers; COA linked to shipment
Temperature management	Insulation or reflective wraps in hot regions

Advantages And Properties Of Glacial Acetic Acid

Our company offers glacial acetic acid that is more than just a chemical; it’s a complete solution combining superior quality, reliable supply, in-depth technical support, and sustainable value. For B2B clients, choosing us means choosing a partnership that reduces supply chain risks, improves production efficiency, ensures consistent quality, and provides ongoing technical support.

High Acidity With Stability: Predictable reaction kinetics in acetylation and esterification processes.
Low Water Footprint: Enables higher yields in moisture-sensitive syntheses and improved performance in ester production.
Purity-Driven Consistency: Minimizes side reactions, color formation, and catalyst poisoning.
Packaging Integrity: Anti-leak, corrosion-resistant systems designed for tropical and arid climates.

Ideal for large-scale procurement in sectors like textiles, pharmaceuticals, food processing, and chemicals, with tailored solutions for markets in Africa, South America, the Middle East, and Southeast Asia.

Sourced from reliable manufacturers, offering competitive pricing, flexible payment terms, and efficient logistics to ensure timely delivery without compromising quality.

99.85%+ Standard Purity: Our glacial acetic acid maintains a stable purity of over 99.85% in regular batches, far exceeding the industry standard (typically 99.8%).

Minimally Minimal Batch Variation: Advanced process control technology ensures that the purity difference between different production batches does not exceed ±0.02%.

Low Impurity Control:

Moisture Content: ≤0.10% (Industry Standard: ≤0.15%)

Formic Acid Content: ≤0.03% (Industry Standard: ≤0.05%)

Acetaldehyde Content: ≤0.03% (Industry Standard: ≤0.05%)

Evaporation Residue: ≤0.005% (Industry Standard: ≤0.01%)

Our unique “three-stage low-temperature crystallization coupled molecular sieve adsorption” purification process, compared to traditional single distillation technology,

increases organic impurity removal efficiency by 40%

reduces heavy metal residue by over 50%

reduces energy consumption by 15% while improving product consistency

Based on the environment and usage conditions of different target markets, we offer optimized products

High-Temperature Formula: For the high-temperature environments of the Middle East and Africa, a trace amount of corrosion inhibitor is added to reduce degradation during transportation and storage.
High-Humidity Formula: For the high-humidity regions of Southeast Asia, special sealing technology and moisture-proof packaging are used.
Long-Distance Transportation Formula: For the long-distance sea freight needs of South America, antioxidant properties are optimized.

Smart IBC Tanks: Equipped with RFID tags and temperature/humidity sensors for real-time cargo status monitoring.

Food-Grade ISO Tanks: Designed specifically for food and pharmaceutical clients, FDA and EFSA certified.

Climate-Adaptive Packaging:

Tropical Regions: Reinforced moisture and sun protection design.
High-Temperature Regions: Added insulation and sun-protective coating.
Long-Distance Sea Freight: Enhanced structural strength to withstand multiple transshipments.

Applications Of Acetic Acid

Glacial Acetic Acid serves as a fundamental building block in the global chemical industry, extensively used in the production of Vinyl Acetate Monomer (VAM) for coatings and adhesives, and Purified Terephthalic Acid (PTA) for PET plastics and polyester fibers. Beyond polymer synthesis, it acts as a critical solvent in manufacturing, a pH regulator and dyeing agent in the textile sector, and a coagulant in rubber processing, offering versatile solutions for diverse industrial needs.

Acetylation and Basic Chemicals

It is a key raw material for the production of VAM, acetic anhydride and acetate solvents; it affects the quality of downstream products such as PVA/EVA/VAE and cellulose esters, and requires low moisture and low impurities.

Solvents and Reaction Media

Polarized protic solvents used in condensation, oxidation, rearrangement, and carbonylation systems; can be combined with acetic anhydride to complete acetylation.

Acetates and Buffer Systems

Neutralizes to form Na/K/Ca/Zn acetates, used as buffers, catalysts, early strength enhancers in building materials, and for pH stabilization in analysis and processes.

Coatings, Inks, and Adhesives

Used as an acidity adjuster or indirectly via esters such as EA/BA to improve solubility and film formation; used in VAE, PVA adhesives, and ink systems.

Textiles, Leather, and Paper

Controlling pH in dyeing and finishing and tanning to improve dyeing uniformity and fastness; stabilizing system performance in paper sizing and wet-strength resin curing.

Fine Chemicals

Used as a solvent and acetylation source in API and intermediate preparation; requires higher grades and lower levels of metal and organic impurities.

Water Treatment and Cleaning

Gentle descaling and pickling; pH fine-tuning of circulating water; pretreatment before electroplating and equipment cleaning; requires neutralization and COD control before discharge.

Food and Daily Chemicals

Food grade for acidity adjustment, preservation, and flavor enhancement; in daily chemicals for descaling and pH adjustment in formulations; attention should be paid to irritation and regulatory compliance.

Compliance Statement: We do not directly target C-end pharmaceutical end-use applications. B-end clients must ensure compliance with usage and registration pathways.

Why choose Gnee BIO?

Gnee BIO boasts over 26 senior technical personnel, 15 laboratory staff, and an operations and sales team of more than 80 people. Our factory employs advanced continuous production processes to ensure product quality stability and batch consistency. Our production capacity can meet the needs of large customers exceeding 5,000 tons per month, guaranteeing a long-term stable supply unaffected by market fluctuations.

Factory Strength

Owned/jointly-owned factories, continuous production lines and automated DCS control
ISO ISO 9001/14001/45001 certified; some units managed according to GMP requirements.
Complete EHS system and hazardous chemical management, adhering to REACH (EU), K-REACH, and Taiwan TSCCA compliance pathways.
Expandable annual capacity; peak season production scheduling mechanism; green channel for urgent orders.

Quality Control and Traceability

Three-level quality control from raw materials to process to finished products; online GC and KF automatic moisture monitoring. Each batch’s COA includes GC spectrum/metal ion/color/UV, etc. Sample and retention system; batch traceability to key process parameters.

Global Logistics and Localized Services

Partnering with top shipping companies/freight forwarders/customs brokers, offering multiple trade terms including FOB/CIF/CFR/DDU/DDP. Experienced in South America (e.g., Brazil, Chile), the Middle East (UAE), Africa (South Africa, Egypt), and Southeast Asia (Vietnam, Thailand, Indonesia, Malaysia, Philippines). Multilingual services available (English/Spanish/Portuguese/Arabic/French/Indonesian/Vietnamese/Thai).

Direct Manufacturer

Product Quality Assurance

Supply Chain and Delivery

R&D Capabilities

Quality and Compliance

Technical Services

Who We Are

We are a professional team specializing in fine chemicals, basic chemicals, specialty chemicals, and functional materials. We serve clients in the pharmaceutical intermediates, electronic chemicals, coatings and adhesives, new energy, water treatment, and agrochemical industries, providing integrated solutions from formulation development to large-scale production.

Team Composition

We have approximately 280 employees, including 26 in R&D, 125 in production and EHS, 14 in quality, 45 in supply chain and operations, and 35 in business and customer success. Our core leadership team has 23 years of experience in the chemical industry and possesses extensive knowledge of chemical products. Feel free to contact us for consultation.

Mission and Vision

To bring chemical products to market more safely, efficiently, and environmentally friendly, becoming a trusted partner in our respective niche markets.

Our Services

Pre-sales and Technical Support

Product Selection Recommendations: Providing product solutions based on application scenarios.

Technical Documentation Provision: TDS (Technical Data Sheet), SDS (Safety Data Sheet), COA sample, process guidelines, etc.

Sample Support: Providing free samples, standard tests, and application experiment reports.

Technical Exchange: Joint process review window, PHA/HAZID recommendations.

Ask about custom services

Customization and R&D Services

Custom Synthesis/Formulation Development (CRO/CMO/CDMO): Customizing purity, impurity profiles, particle size, color, stability, etc., according to specifications.

Process Optimization and Scale-up: Designing pilot-scale to mass production routes, yield and cost optimization, green alternatives and solvent recycling solutions.

Joint Development and Application (JDA): Jointly defining target specifications, validation methods, and milestones with clients; IP/confidentiality clauses can be customized.

Ask about custom services

Quality and Compliance Support

Quality System Integration: Sharing and auditing cooperation on ISO 9001/14001/45001 documents.

Incoming and Outgoing Inspection: Batch-by-batch COA, sample retention management, and accompanying testing methods (GC/HPLC/ICP, etc.).

Change Management (MOC): Advance notification and revalidation support for changes to raw materials, processes, equipment, production lines, locations, etc.

Certification: SGS/CE/REACH, RoHS, hazardous chemical classification and transportation compliance.

Ask about custom services

Production and Supply Chain Services

Capacity and Delivery Commitment: Flexible production scheduling, VMI/safety stock, JIT supply, long-term framework agreements.

Packaging and Label Customization: IBC/drum/small packaging, liner/valve material selection, multilingual labels and QR code traceability.

Logistics and Temperature Control: Ambient temperature/cold chain/insulated transportation, hazardous materials classification transportation solutions and customs clearance support.

Export and Documentation: Commodity inspection, certificate of origin, MSDS, TDS, COA, SOP, test reports, packing lists and bills of lading services.

Ask about custom services

After-sales Service and Continuous Improvement

Customer Complaint Handling and Technical Support SLA: Timely response, closed-loop technical support.

Regular Business Review (QBR): Quality indicators (PPM, OTD), cost optimization, carbon reduction and ESG collaborative projects.

Third-Party Inspection Support: Supports third-party inspections such as SGS/BV, with full traceability of the inspection process.

Ask about custom services

Gnee BIO

FAQ

Need help? We’re happy to assist you!
Please feel free to contact us for free samples and services!

Contact Us

What is the Minimum Order Quantity (MOQ)?

Standard MOQ is 1 ton; Electronic grade/special customized grade MOQ may be 2–5 tons; Full container load (FCL) or ISO tanks enjoy better pricing.

Can you provide samples?

We can provide 1–5 kg industrial samples for experimental verification, freight collect or credited to the first order. Electronic grade samples are managed according to the application process.

How long is the delivery time?

In-stock items ship within 3–7 days; customized specifications are scheduled for production within 7–15 days; sea freight delivery time depends on the destination port and route (Asia 7–15 days, Middle East 15–25 days, Africa/South America 25–45 days for reference).

How to ensure no crystallization in winter?

We provide insulated packaging, heating belts, or winter temperature control solutions, and provide temperature records during transportation (optional).

How to control metal ions and moisture?

High-purity raw materials, inert material contact, online drying and clean filling are used; electronic-grade processes are completed in a clean area and packaged in special containers.