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B85404

Sigma-Aldrich

1,4-Butanedithiol

97%

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Synonym(s):
1,4-Dimercaptobutane, Tetramethylene dimercaptan
Linear Formula:
HS(CH2)4SH
CAS Number:
Molecular Weight:
122.25
Beilstein:
1697080
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

97%

form

liquid

refractive index

n20/D 1.529 (lit.)

bp

105-106 °C/30 mmHg (lit.)

density

1.042 g/mL at 25 °C (lit.)

SMILES string

[K+].[K+].[O-]S([O-])=O

InChI

1S/C4H10S2/c5-3-1-2-4-6/h5-6H,1-4H2

InChI key

SMTOKHQOVJRXLK-UHFFFAOYSA-N

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This Item
W520802493732W347701
1,4-Butanedithiol 97%

Sigma-Aldrich

B85404

1,4-Butanedithiol

1,4-Butanedithiol ≥97%, FG

Sigma-Aldrich

W520802

1,4-Butanedithiol

1,4-Butanediol ReagentPlus®, 99%

Sigma-Aldrich

493732

1,4-Butanediol

2,3-Butanedithiol ≥99%, FG

Sigma-Aldrich

W347701

2,3-Butanedithiol

form

liquid

form

-

form

solid or viscous liquid

form

-

refractive index

n20/D 1.529 (lit.)

refractive index

n20/D 1.529 (lit.)

refractive index

n20/D 1.445 (lit.)

refractive index

n20/D 1.5194 (lit.)

bp

105-106 °C/30 mmHg (lit.)

bp

105-106 °C/30 mmHg (lit.)

bp

230 °C (lit.)

bp

86-87 °C/50 mmHg (lit.)

density

1.042 g/mL at 25 °C (lit.)

density

1.042 g/mL at 25 °C (lit.)

density

1.017 g/mL at 25 °C (lit.)

density

0.995 g/mL at 25 °C (lit.)

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Markus Muttenthaler et al.
Nature protocols, 10(7), 1067-1083 (2015-06-19)
Solid-phase peptide synthesis (SPPS) using tert-butyloxycarbonyl (Boc)/benzyl (Bzl) chemistry is an indispensable technique in many laboratories around the globe, and it provides peptides to the pharmaceutical industry and to thousands of scientists working in basic research. The Boc/Bzl strategy has

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