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Key Documents

578967

Sigma-Aldrich

1-Hydroxybenzotriazole solution

15 wt. % in DMF

Synonym(s):

HOBt solution

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About This Item

Empirical Formula (Hill Notation):
C6H5N3O
CAS Number:
Molecular Weight:
135.12
Beilstein:
5627231
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.21

concentration

15 wt. % in DMF

refractive index

n20/D 1.4500

bp

149-150 °C

density

0.983 g/mL at 25 °C

SMILES string

On1nnc2ccccc12

InChI

1S/C6H5N3O/c10-9-6-4-2-1-3-5(6)7-8-9/h1-4,10H

InChI key

ASOKPJOREAFHNY-UHFFFAOYSA-N

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Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 1B

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

138.9 °F - closed cup

Flash Point(C)

59.4 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)

CAS No.

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