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Methanol

Methanol
CAS No.: 67-56-1
Molecular Formula: CH4O
Molecular weight: 32.04
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+86 18765828098
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Product Introduction

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

PropertyValue

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

PropertyValue

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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FAQ

Q: Are you a factory or a trading company?

A: We are a company integrating manufacturing and trading.

Q: Can you provide samples for testing before mass production?

A: Of course. We can send you samples free of charge, and we also include a COA. However, you will be responsible for the shipping fee.

Q: How can I get an accurate quote?

A: Please provide the exact product specifications, particle size, color, and intended use, and we will provide you with an accurate quote.

Q: Can you provide a COA?

A: Of course, but only for standard products. If you require an accurate COA, we will produce and test samples before providing you with an accurate COA.

Q: Do you accept ODM or OEM services?

A: Yes, we offer customized services for ingredients, packaging, and labeling. We have strong design capabilities. Please contact us to design your own brand.

Q: Can I visit your factory before placing a large order?

A: Of course. We welcome you at any time.

Q: What is the loading port?

A: Usually Qingdao or Tianjin.

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