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Safety Information

8.01587

Sigma-Aldrich

1-Butanethiol

for synthesis

Synonym(s):

1-Butanethiol, Butyl mercaptan

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About This Item

Linear Formula:
CH3(CH2)3SH
CAS Number:
Molecular Weight:
90.19
MDL number:
UNSPSC Code:
12352105
EC Index Number:
203-705-3
NACRES:
NA.22

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


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.

FSL

Flammable liquids
Type 1 petroleums
Hazardous rank II
Water insoluble liquid

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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