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Safety Information

S4172

Sigma-Aldrich

Ammonium sodium phosphate dibasic tetrahydrate

BioXtra, ≥99%

Synonym(s):

sec-Sodium ammonium phosphate, Ammonium sodium hydrogen phosphate, Sodium ammonium hydrogen phosphate

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About This Item

Linear Formula:
NaNH4HPO4 · 4H2O
CAS Number:
7783-13-3
Molecular Weight:
209.07
MDL number:
MFCD00066970
UNSPSC Code:
12352302
PubChem Substance ID:
24899592
NACRES:
NA.25

product line

BioXtra

Quality Level

200

Assay

≥99%

impurities

≤0.1% Insoluble matter

solubility

H2O: 1 M, clear, colorless

anion traces

chloride (Cl-): ≤0.05%
sulfate (SO42-): ≤0.05%

cation traces

Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
Pb: ≤0.001%
Zn: ≤0.0005%

SMILES string

[NH4+].[Na+].OP([O-])([O-])=O

InChI

1S/H3N.Na.H3O4P.4H2O/c;;1-5(2,3)4;;;;/h1H3;;(H3,1,2,3,4);4*1H2/q;+1;;;;;/p-1

InChI key

IQTQISLCLWJRPM-UHFFFAOYSA-M

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Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

S4172-BULK:
S4172-1KG:
S4172-250G:
S4172-VAR:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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