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1,2-Naphthoquinone-4-sulfonic acid sodium salt

1,2-Naphthoquinone-4-sulfonic acid sodium salt chemical structure
CAS Number521-24-4
FormulaN/A
Mol. Weight260.20 g/mol

What is 1,2-Naphthoquinone-4-sulfonic acid sodium salt?

1,2-Naphthoquinone-4-sulfonic acid sodium salt is a chemical compound with CAS number 521-24-4. It is used in various industrial and research applications.

Applications

1,2-Naphthoquinone-4-sulfonic acid sodium salt (Folin′s reagent) was used in the colorimetric assay for determination of procaine hydrochloride in pharmaceutical preparations1.

Specifications

Molecular Weight

260.20 g/mol

Assay/Purity

97%

Solubility

alcohol: slightly soluble95%
acetone: moderately soluble(lit.)
benzene: insoluble(lit.)
carbon disulfide: insoluble(lit.)
chloroform: insoluble(lit.)
diethyl ether: insoluble(lit.)
petroleum ether: insoluble(lit.)
water: soluble(lit.)

Safety Information

GHS07GHS07
Signal Word

Warning

Hazard Statements

H315-H319-H335

Precautionary Statements

P261-P305 + P351 + P338

Required PPE

dust mask type N95 (US), Eyeshields, Gloves

Melting Point

289 °C (dec.)(lit.)

EC Number

208-308-9

WGK Germany

3

Frequently Asked Questions

Alternative Names & Synonyms

C10H5NaO5S