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Key Documents

8.01818

Sigma-Aldrich

2-Butanethiol

for synthesis

Synonym(s):

2-Butanethiol, sec-Butyl mercaptan, 1-Methyl-1-propanthiol

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About This Item

Linear Formula:
CH3CH2CH(SH)CH3
CAS Number:
513-53-1
Molecular Weight:
90.19
MDL number:
MFCD00004865
UNSPSC Code:
12352105
EC Index Number:
208-165-2
NACRES:
NA.22

vapor pressure

108 hPa ( 25 °C)

Quality Level

200

assay

≥95.0% (GC)

potency

5176 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rabbit)

expl. lim.

1.7-9.6 % (v/v)

bp

82-88 °C/1013 hPa

mp

-165 °C

transition temp

flash point -23 °C

density

0.83 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C4H10S/c1-3-4(2)5/h4-5H,3H2,1-2H3

InChI key

LOCHFZBWPCLPAN-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 95.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.830 - 0.833
Identity (IR): passes test

pictograms

Flame
GHS02

signalword

Danger

hcodes

H225

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

-9.4 °F - closed cup

flash_point_c

-23 °C - closed cup

Certificates of Analysis (COA)

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