Citric acid

• Catalog No.: 251275
• CAS Number: 77-92-9
• M. F.: C6H8O7
• M. W.: 192.12352
• Purity: ≥99.5%

SYNONYMS

• Title: 柠檬酸
• IUPAC name: 2-hydroxypropane-1,2,3-tricarboxylic acid
• IUPAC Traditional name: citro

DATABASE IDS

• PubChem SID: 24855122
• Beilstein Number: 782061
• MDL Number: MFCD00011669
• CAS Number: 77-92-9
• EC Number: 201-069-1

PROPERTIES

• Antion Traces: chloride (Cl-): ≤0.001%
• Antion Traces: oxalate (C2O42-): passes test (limit about 0.003%)
• Antion Traces: phosphate (PO43-): ≤0.001%
• Antion Traces: sulfate (SO42-): ≤0.002%
• Cation Traces: Fe: ≤3 ppm
• Cation Traces: Pb: ≤2 ppm
• Grade: ACS reagent
• Ignition Residue: ≤0.02%
• Impurities: Substances carbonizable by hot sulfuric acid, passes test
• Impurities: ≤0.005% insolubles
• Linear Formula: HOC(COOH)(CH2COOH)2
• Purity: ≥99.5%
• Purity: 99.0-102.0% (ACS specification)
• Gene Information: human ... SRC(6714)
• pKa: (1) 3.13, (2) 4.76, (3) 6.4
• Melting Point: 153-159 °C(lit.)
• Explode Limits: 8 %, 65 °F
• GHS Signal Word: Warning
• GHS Hazard statements: H319
• European Hazard Symbols: Irritant (Xi)
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves
• GHS Precautionary statements: P305 + P351 + P338
• Risk Statements: 36
• RTECS: GE7350000
• Safety Statements: 26
• German water hazard class: 1

DETAILS

Description (English)

Packaging
100, 500 g in poly bottle
12 kg in fiber drum
2.5 kg in poly bottle
5 g in glass bottle

Description (简体中文)

包装
100, 500 g in poly bottle
12 kg in fiber drum
2.5 kg in poly bottle
5 g in glass bottle