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Home > Products > Agricultural Chemicals > Methanol

Methanol

Name: Methanol
SKU: 0

CAS No.: 67-56-1
Molecular Formula: CH4O
Molecular weight: 32.04

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product description

Methanol, also known as "wood alcohol", is an organic compound and the simplest saturated monohydric alcohol. It is a colorless, transparent, flammable, volatile toxic liquid. Ingestion of 5 to 10 ml can cause blindness, and drinking a large amount can lead to death. Methanol is non-corrosive to metals at room temperature (except lead and aluminum) and has a slight alcohol smell. Relative density 0.792 (20/4℃), melting point -97.8℃, boiling point 64.5℃, flash point 12.22℃, autoignition point 463.89℃, vapor density 1.11, vapor pressure 13.33KPa (100mmHg21.2℃), vapor and air mixture explosion limit 6 to 36.5% (volume ratio), miscible with water, ethanol, ether, benzene, ketones, halogenated hydrocarbons and many other organic solvents. It is usually used as a solvent, antifreeze, fuel or neutralizer.

Chemical Properties

Property	Value
Melting point	-98 °C(lit.)
Boiling point	65.4 °C(lit.)
Density	0.791 g/mL at 25 °C
Vapor density	1.11 (vs air)
Vapor pressure	410 mm Hg ( 50 °C)
Refractive index	n20/D 1.329(lit.)
Fp	52 °F
Storage temp.	2-8°C
Solubility	Benzene: miscible(lit.)
Pka	15.2(at 25℃)
Form	Liquid Free From Particulates
Color	<10(APHA)
Specific Gravity	0.793 (20/20℃)
Relative polarity	0.762
Odor	Faint alcohol odor detectable at 4 to 6000 ppm (mean = 160 ppm)
Explosive limit	5.5-44%(V)
Odor Threshold	33ppm
Water Solubility	miscible
λmax	λ: 210 nm Amax: 0.50λ: 220 nm Amax: 0.30λ: 230 nm Amax: 0.15λ: 235 nm Amax: 0.10λ: 240 nm Amax: 0.05λ: 260 nm Amax: 0.01λ: 400 nm Amax: 0.01
Merck	14,5957
BRN	1098229
Henry's Law Constant	4.99 at 25 °C (headspace-GC, Gupta et al., 2000)
Exposure limits	TLV-TWA (200 ppm) (ACGIH), 260mg/m3, 1040mg/m3 (800 ppm) 15minutes (NIOSH); STEL 310mg/m3 (250 ppm); IDLH 25,000 ppm (NIOSH).
Dielectric constant	33.6（20℃）
LogP	-0.770
CAS DataBase Reference	67-56-1(CAS DataBase Reference)
NIST Chemistry Reference	Methyl alcohol(67-56-1)
EPA Substance Registry System	Methanol (67-56-1)

Safety Information

Property	Value
Hazard Codes	Xn,T,F
Risk Statements	10-20/ 21/ 22-68/ 20/ 21/ 22-39/ 23/ 24/ 25-23/ 24/ 25-11-40-36-36/ 38-23/ 25
Safety Statements	36/ 37-7-45-16-24/ 25-23-24-26
RIDADR	UN 1170 3/PG 2
WGK Germany	1
RTECS	PC1400000
F	3-10
Autoignition Temperature	385 °C
TSCA	Yes
HS Code	2905 11 00
HazardClass	3
PackingGroup	II
Hazardous Substances Data	67-56-1(Hazardous Substances Data)
Toxicity	LD50 oral (rat)5628 mg/kgLD50 skin (rabbit)15,840 mg/kgLC50 inhal (rat)>145,000 ppm (1 h)PEL (OSHA)200 ppm (260 mg/m3)TLV-TWA (ACGIH)200 ppm (260 mg/m3)—skinSTEL (ACGIH)250 ppm (328 mg/m3)
IDLA	6,000 ppm

Product Usage

Methanol, often referred to as wood alcohol, is a fundamental building block in the global chemical industry. Its most significant application is as a feedstock for producing formaldehyde, acetic acid, and various plastics, fibers, and resins. In the energy sector, methanol is gaining prominence as a clean-burning fuel or fuel additive, contributing to reduced emissions in marine and automotive transport. Furthermore, it serves as a high-performance industrial solvent for paints, varnishes, and inks, and is essential in wastewater treatment as a carbon source for denitrification.

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Q1：Does it support customized products?

A1：Yes, it does. Formulations can be adjusted and customized production can be carried out according to customer's industry needs and performance parameters.

Q2：Can samples be provided?

A2：We support free sample delivery and testing services to meet customers' early testing needs.

Q3：Is the product quality stable?

A3：With full-process quality inspection and control, there are minimal batch differences, and the purity and stability strictly meet the standards.

Q4：What is the shipping cycle?

A4：For regular inventory, we offer quick delivery. For customized orders, we arrange production according to demand and ensure timely delivery.

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