Calconcarboxylic acid

• Catalog No.: B23459
• CAS Number: 3737-95-9
• M. F.: C21H14N2O7S
• M. W.: 438.41006
• Purity: 94% (dry wt.), water <10%

SYNONYMS

• Title: 钙羧酸指示剂
• IUPAC name: 3-hydroxy-4-[2-(2-hydroxy-4-sulfonaphthalen-1-yl)diazen-1-yl]naphthalene-2-carboxylic acid
• IUPAC Traditional name: 3-hydroxy-4-[2-(2-hydroxy-4-sulfonaphthalen-1-yl)diazen-1-yl]naphthalene-2-carboxylic acid
• Synonyms: 3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)-2-naphthalenecarboxylic acid; Patton and Reeder's Reagent

DATABASE IDS

• EC Number: 223-117-0
• CAS Number: 3737-95-9
• MDL Number: MFCD00004078
• Beilstein Number: 727492

PROPERTIES

• Purity: 94% (dry wt.), water <10%
• Melting Point: ca 300°C dec.
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• GHS Precautionary statements: P261-P305+P351+P338-P302+P352-P321-P405-P501A
• Risk Statements: 36/37/38
• Safety Statements: 26-37-60
• TSCA Listed: 是

REFERENCES

• Indicator for complexometric determination of Ca in the presence of Mg: Anal. Chem., 28, 1026 (1956); Analyst, 106, 227 (1981).