Merck 磷酸二氫銨 (Ammonium dihydrogen phosphate) 1.01126.0500 和更多型號

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Replacement Information
Replacement Information	In North America 1.01126.0500 replaces and is identical to AX1350-1 In North America 1.01126.9050 replaces and is identical to AX1350-20

CAS #	EC Number	Hill Formula	Chemical Formula	Molar Mass	Grade Value
7722-76-1	231-764-5	H₆NO₄P	(NH₄)H₂PO₄	115.02 g/mol	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

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

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 hazardous to water
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
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 %
Sulfate (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