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8.48335

Sigma-Aldrich

Methanol

≥99.85% (GC), Bio-Methanol (Gas-to-Liquid) for synthesis

Synonym(s):

Methanol, MeOH, Hydroxymethane, Methyl alcohol, Carbinol, Methyl alcohol

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About This Item

Linear Formula:
CH3OH
CAS Number:
67-56-1
Molecular Weight:
32.04
Beilstein:
1098229
MDL number:
MFCD00004595
UNSPSC Code:
12352104
EC Index Number:
200-659-6
NACRES:
NA.22
grade:
for synthesis
bp:
64.7 °C (lit.)
vapor pressure:
128 hPa ( 20 °C)
410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

Product Name

Methanol, for synthesis

grade

for synthesis

Quality Level

200

vapor density

1.11 (vs air)

vapor pressure

128 hPa ( 20 °C)
410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

Assay

≥99.85% (GC)

form

liquid

autoignition temp.

725 °F

potency

5628 mg/kg LD50, oral (Rat)
17100 mg/kg LD50, skin (Rabbit)

expl. lim.

36 %

dilution

(for synthesis)

refractive index

n20/D 1.329 (lit.)

kinematic viscosity

0.54-0.59 cSt(20 °C)

bp

64.7 °C (lit.)

mp

−98 °C (lit.)

transition temp

flash point 9.7 °C

density

0.791 g/mL at 25 °C (lit.)

storage temp.

2-30°C

SMILES string

CO

InChI

1S/CH4O/c1-2/h2H,1H3

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

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Analysis Note

Appearance (visual): clear
Assay (GC, area%): ≥ 99.85 % (a/a)
Colour number (Hazen): ≤ 5
Density (d 20 °C/ 4 °C): ≥ 0.790
Water (K. F.): ≤ 0.10 %
Non-volatile matter: ≤ 0.0008 %
Acidity (Acetic acid): ≤ 0.003 %
Evaporation Number: 1.9

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

49.5 °F - closed cup

Flash Point(C)

9.7 °C - closed cup

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PDSCL

Deleterious substance

FSL

Flammable liquids
Alcohols
Hazardous rank II

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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