1,2-NAPHTHOQUINONE-4 SULPHONIC ACID SODIUM SALT

1,2-NAPHTHOQUINONE-4 SULPHONIC ACID SODIUM SALT AR

(For determination of amines and amino acid)
3,4-Dihydro-3,4-dioxo-1-naphthalenesulfonic acid sodium salt, Folin’s reagent, Sodium 1,2-naphthoquinone-4-sulfonate

Article No.

04781

Grade

Purity

97%

CAS No.

521-24-4

Molecular Formula

C₁₀H₅NaO₅S

Molecular Weight

260.20

H.S. Code

2914.7990

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

Physical state at 20 °C

Solid

Colour

Brownish yellow

Odour

Odorless

Melting point/ Freezing point [°C]

289 °C

Solubility in water [% weight]

45 g/l (20°C)

Appearance	Brownish yellow powder
Assay	Min 97%
Sulphate (SO4)	Max 0.05%
Total nitrogen (N)	Max 0.05%
Loss on drying (at 105°C)	Max 1%
Suitability (for detection of amino acid)	Passes test

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338

Revision Date : 22-Jan-2021