MilliporeSigma
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8.01587

Sigma-Aldrich

1-Butanethiol

for synthesis

Synonym(s):
1-Butanethiol, Butyl mercaptan
Linear Formula:
CH3(CH2)3SH
CAS Number:
Molecular Weight:
90.19
MDL number:
EC Index Number:
203-705-3

vapor pressure

61 hPa ( 25 °C)

Quality Level

assay

≥98.0% (GC)

form

liquid

potency

1500 mg/kg LD50, oral (Rat)

expl. lim.

1.4-11.3 % (v/v)

bp

97-99 °C/1013 hPa

mp

-116 °C

transition temp

flash point 12 °C

solubility

0.597 g/L

density

0.84 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C4H10S/c1-2-3-4-5/h5H,2-4H2,1H3

InChI key

WQAQPCDUOCURKW-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.840 - 0.842
Identity (IR): passes test

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

53.6 °F - closed cup

Flash Point(C)

12 °C - closed cup

Certificate of Analysis

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Certificate of Quality

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