meta-Phosphoric acid

SIGALD/79613 - puriss. p.a., ACS reagent, ≥33.5% (T)

Synonym: Metaphosphoric acid

CAS Number: 37267-86-0
MDL Number: MFCD00011351
Linear Formula: (HPO₃)_n
Product Type: Chemical

anion traces	chloride (Cl^-): ≤10 mg/kg
	nitrate (NO₃^-): ≤5 mg/kg
	sulfate (SO₄^2-): ≤20 mg/kg
cation traces	As: ≤1 mg/kg
	Ca: ≤20 mg/kg
	Cd: ≤5 mg/kg
	Co: ≤5 mg/kg
	Cr: ≤5 mg/kg
	Cu: ≤5 mg/kg
	Fe: ≤10 mg/kg
	K: ≤50 mg/kg
	Mg: ≤5 mg/kg
	Mn: ≤5 mg/kg
	Ni: ≤5 mg/kg
	Pb: ≤5 mg/kg
	Zn: ≤5 mg/kg
concentration	≥33.5% (T)
contains	57-63% NaPO₃ as stabilizer
density	2 g/cm³
form	crystalline
grade	ACS reagent
	puriss. p.a.
InChI	1S/HO3P/c1-4(2)3/h(H,1,2,3)
InChI key	UEZVMMHDMIWARA-UHFFFAOYSA-N
Quality Level	200
SMILES string	OP(=O)=O
solubility	water: miscible
technique(s)	HPLC: suitable

Application:	meta-Phosphoric acid may be employed as an extraction reagent during isocratic reversed-phase ion-pairing high performance liquid chromatographic analysis of ascorbic acid and dehydroascorbic acid in plant.
General description:	meta-Phosphoric acid is a monobasic acid.

Density	2 g/cm³
UNSPSC	12352106