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Phosphoric acid

Catalog No. 04102 Name Sigma Aldrich
CAS Number 7664-38-2 Website http://www.sigmaaldrich.com
M. F. H3O4P Telephone 1-800-521-8956
M. W. 97.995181 Fax
Purity ≥99% Email
Storage Chembase ID: 105870

SYNONYMS

Title
磷酸
IUPAC name
phosphoric acid
IUPAC Traditional name
phosphoric acid
Synonyms
Orthophosphoric acid
正磷酸

DATABASE IDS

Beilstein Number 1921286
PubChem SID 24845675
EC Number 231-633-2
MDL Number MFCD00011340
CAS Number 7664-38-2

PROPERTIES

Antion Traces chloride (Cl-): ≤10 mg/kg
Antion Traces nitrate (NO3-): ≤10 mg/kg
Antion Traces phosphite, hypophosphite (as H3PO3): ≤100 mg/kg
Antion Traces sulfate (SO42-): ≤20 mg/kg
Cation Traces Fe: ≤10 mg/kg
Grade puriss.
Impurities ≤0.002% heavy metals (as Pb)
Linear Formula H3PO4
Purity ≥99%
Gene Information human ... SRC(6714)
Boiling Point 158 °C(lit.)
Density 1.685 g/mL at 25 °C(lit.)
Melting Point ~40 °C(lit.)
Vapor Density 3.4 (vs air)
Vapor Pressure 2.2 mmHg ( 20 °C)
Vapor Pressure 5 mmHg ( 25 °C)
GHS Pictograms GHS05
GHS Signal Word Danger
GHS Hazard statements H314
European Hazard Symbols Corrosive Corrosive (C)
MSDS Link Download
Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
GHS Precautionary statements P280-P305 + P351 + P338-P310
RID/ADR UN 3453 8/PG 3
Risk Statements 34
RTECS TB6300000
Safety Statements 26-45
Hazard Class 8
UN Number 3453
Packing Group 3
German water hazard class 1

DETAILS

Description (English)
Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Description (简体中文)
Other Notes
浓磷酸大约为 85% H3PO4(水溶液)。

REFERENCES