Merck 101126 Ammonium dihydrogen phosphate for analysis EMSURE® ACS,Reag. Ph Eur 5 kg

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Tuzlar

Brand

MERCK

Stock Code

LB.M.1011265000

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Synonyms: Ammonium biphosphate, Ammonium phosphate monobasic, Primary ammonium phosphate, Monoammonium orthophosphate CAS Number: 7722-76-1 EC Number: 231-764-5 Molar Mass: 115.03 g/mol Chemical Formula: (NH₄)H₂PO₄ Hill Formula: H₆NO₄P Grade: ACS,Reag. Ph Eur

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CAS Number: 7722-76-1

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Merck 101126

Ammonium dihydrogen phosphate for analysis EMSURE® ACS, Reag. Ph Eur

Description
Catalogue Number	101126
Replaces	AX1350; AX1350-1; AX1350-20
Synonyms	Ammonium biphosphate, Ammonium phosphate monobasic, Primary ammonium phosphate, Monoammonium orthophosphate, AX1350, AX1350-1, AX1350-20

Product Information
CAS number	7722-76-1
EC number	231-764-5
Grade	ACS,Reag. Ph Eur
Hill Formula	H₆NO₄P
Chemical formula	(NH₄)H₂PO₄
Molar Mass	115.02 g/mol
HS Code	3105 40 00

Physicochemical Information
Density	1.80 g/cm3 (20 °C)
Melting Point	190 °C
pH value	3.8 - 4.4 (50 g/l, H₂O, 20 °C)
Vapor pressure	0.066 hPa (125 °C)
Bulk density	800 - 1100 kg/m3
Solubility	368 g/l (20 °C)

Toxicological Information
LD 50 oral	LD50 Rat 5750 mg/kg
LD 50 dermal	LD50 Rabbit > 7940 mg/kg

Safety Information according to GHS
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly water endangering
Disposal	14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

Storage and Shipping Information
Storage	Store at +5 °C to +30 °C.

Transport Information
Declaration (railroad and road) ADR, RID	Kein Gefahrgut
Declaration (transport by air) IATA-DGR	No Dangerous Good
Declaration (transport by sea) IMDG-Code	No Dangerous Good

Specifications
Specifications
Assay (acidimetric)	≥ 99,0 %
Insoluble matter	≤ 0,005 %
pH-value (5 %; water, 25 °C)	3,8 - 4,4
pH-value (2.3%; water)	about 4.2
Chloride (Cl)	≤ 0,0005 %
Nitrate (NO₃)	≤ 0,001 %
Sulphate (SO₄)	≤ 0,005 %
Heavy metals (as Pb)	≤ 0,0005 %
Ca (Calcium)	≤ 0,001 %
Fe (Iron)	≤ 0,001 %
K (Potassium)	≤ 0,005 %
Mg (Magnesium)	≤ 0,0005 %
Na (Sodium)	≤ 0,005 %
corresponds to ACS,Reag. Ph Eur

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