Methanol#67-56-1

Using advanced production processes and automated control technologies, key process parameters are monitored and recorded in real time to ensure that the production process is stable, controllable and traceable.

PRODUCT DESCRIPTION

ethanol Chemical Properties

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

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

PACKING AND DELIVERY

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