Orthophosphoric acid PurCert Secondary Reference Standard (CRM) [Includes all characterization data]

CRM


Synonym:  Phosphoric acid
Linear Formula:  H3PO4
Molecular Weight:  98.00 g/mol
CAS Number: 7664-38-2

Properties

Vapour pressure 2.2 mmHg ( 20°C)
Assay Purity >=85 %
Refractive index n20/D 1.433
B pt. 158°C
M pt. ~40°C
Density 1.685 g/cm3
Form Liquid

Safety Information

Hazard Statement(s) H290,H302,H314
Precautionary Statement  P234 - P270 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
GHS Pictogram
Signal word Danger
HS Code 28092020
Storage Temp. Room Temperature
Storage Class 8B - Non-combustible corrosive hazardous materials
UN Number 1805

Description

Application
It is widely used in fertilizers food additives (like in soft drinks) rust removal and dental products.

Purpose
Its main purpose is to act as an acidifying agent corrosion inhibitor and source of phosphate in various industrial and biological processes.

General Description
Orthophosphoric acid is a colorless odorless mineral acid commonly found as a viscous liquid or crystalline solid.