Hydroxynaphthol blue , Metal titer indicator , 63451-35-4

Synonym(s):
2,2′-Dihydroxy-1,1′-azonaphthalene-3′,4,6′-trisulfonic acidtrisodiumsalt;calcium;Hydroxynaphthol Blue;See Other Information (Section 15)

CAS NO.：63451-35-4

Empirical Formula: C20H15N2NaO11S3

Molecular Weight: 578.51

MDL number: MFCD00036393

EINECS: 264-197-7

PRODUCT Properties

• bulk density: 330kg/m3
• storage temp.: Store at +15°C to +30°C.
• solubility: 340g/l
• form: Solid
• color: Dark Gray
• PH: 2-3 (10g/l, H2O, 20℃)
• Water Solubility: 340g/L
• Stability: Stable. Incompatible with strong oxidizing agents.
• InChIKey: FJVFMVUPIAARMA-ZPZFBZIMSA-N
• SMILES: N(/C1=C(C(S(O)(=O)=O)=CC2=CC(S(O)(=O)=O)=CC=C12)O)=N\C1=C(C=C(S(O)(=O)=O)C2=CC=CC=C12)O.[NaH]
• CAS DataBase Reference: 63451-35-4(CAS DataBase Reference)
• EPA Substance Registry System: 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(2-hydroxy-4-sulfo-1-naphthalenyl)azo]-, trisodium salt (63451-35-4)

Description and Uses

Hydroxynaphthol blue, a well-known pH indicator in the field of biomedicine, is employed to accurately quantify pH fluctuations in various biological specimens. Besides, its utility extends to serving as a colorimetric reagent, notably in laboratory settings, aiding in the identification of select pharmaceuticals and ailments.

Hydroxynapthol Blue is a pharmaceutical dye used in colorimetric analyses.

Safety

• Symbol(GHS): GHS05
• Signal word: Danger
• Hazard statements: H314
• Precautionary statements: P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• WGK Germany: WGK 3 highly water endangering
• TSCA: TSCA listed
• HS Code: 2927 00 00
• Storage Class: 8A - Combustible corrosive hazardous materials
• Hazard Classifications: Eye Dam. 1; Skin Corr. 1