Home > Compound List > Product Information
Phosphoric acid_Molecular_structure_CAS_7664-38-2)
Click picture or here to close

Phosphoric acid

Catalog No. 04107 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 85.0-88.0% 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
EC Number 231-633-2
MDL Number MFCD00011340
CAS Number 7664-38-2
PubChem SID 24845678

PROPERTIES

Antion Traces chloride (Cl-): ≤5 mg/kg
Antion Traces fluoride (F-): ≤5 mg/kg
Antion Traces nitrate (NO3-): ≤5 mg/kg
Antion Traces nitrate (NO3-): in accordance
Antion Traces phosphite, hypophosphite (as H3PO3): ≤30 mg/kg
Antion Traces phosphite, hypophosphite (as H3PO3): in accordance
Antion Traces sulfate (SO42-): ≤50 mg/kg
Antion Traces sulfate (SO42-): in accordance
Cation Traces As: ≤2 mg/kg
Cation Traces Cd: ≤3 mg/kg
Cation Traces Cu: ≤10 mg/kg
Cation Traces Fe: ≤10 mg/kg
Cation Traces Hg: ≤1 mg/kg
Cation Traces Pb: ≤3 mg/kg
Cation Traces Zn: ≤10 mg/kg
Grade puriss.
Impurities alkali phosphates, in accordance
Impurities residual solvents, in accordance
Impurities substance precip. by Ammonia, in accordance
Impurities ≤0.0005% heavy metals (as Pb)
Impurities ≤0.001% volatile acids (as CH3COOH)
Linear Formula H3PO4
Purity 85.0-88.0%
Quality meets analytical specification of Ph. Eur., BP, NF, FCC
Suitability passes test for appearance of solution
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 Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
GHS Precautionary statements P280-P305 + P351 + P338-P310
RID/ADR UN 1805 8/PG 3
Risk Statements 34
Safety Statements 26-45
Hazard Class 8
UN Number 1805
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