Merck 104877.1000 Potassium dihydrogen phosphate

Ürün Özellikleri

CAS #	EC Number	Hill Formula	Chemical Formula	Molar Mass	Grade Value
7778-77-0	231-913-4	H₂KO₄P	KH₂PO₄	136.08 g/mol	ACS,ISO,Reag. Ph Eur

Description
Catalogue Number	104877
Synonyms	mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic

Product Information
CAS number	7778-77-0
EC number	231-913-4
Grade	ACS,ISO,Reag. Ph Eur
Hill Formula	H₂KO₄P
Chemical formula	KH₂PO₄
Molar Mass	136.08 g/mol
HS Code	2835 24 00

Applications
Application	Potassium dihydrogen phosphate for analysis (<= 0.005% Na) EMSURE® ACS,ISO,Reag. Ph Eur. Potassium dihydrogen phosphate CAS No. 7778-77-0, EC Number 231-913-4. Potassium dihydrogen phosphate MSDS (material safety data sheet) or SDS here.

Physicochemical Information
Density	2.34 g/cm³ (20 °C)
Melting Point	253 °C (decomposition)
pH value	4.2 – 4.6 (20 g/l, H₂O, 20 °C)
Bulk density	1200 kg/m3
Solubility	222 g/l (20 °C)

Toxicological Information
LD 50 dermal	LD50 Rabbit > 4640 mg/kg

Safety Information according to GHS
Precautionary Statement(s)	P260: Do not breathe dust.
RTECS	TC6615500
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).

Safety Information
S Phrase	S 22 Do not breathe dust.

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 (alkalimetric)	≥ 99.0 %
Assay (alkalimetric, calculated on dried substance)	98.0 – 100.5 %
Assay (alkalimetric; dried substance)	≥ 99.5 %
Identity	passes test
Appearance of solution	passes test
Insoluble matter	≤ 0.01 %
pH-value (5 %; water, 25 °C)	4.2 – 4.5
Chloride (Cl)	≤ 0.0005 %
Sulphate (SO₄)	≤ 0.003 %
Total nitrogen (N)	≤ 0.001 %
Heavy metals (as Pb)	≤ 0.001 %
As (Arsenic)	≤ 0.0002 %
Fe (Iron)	≤ 0.001 %
Na (Sodium)	≤ 0.005 %
Reducing substances	passes test
Loss on drying (130 °C)	≤ 0.2 %
Corresponds to ACS,ISO,Reag. Ph Eur

Potassium dihydrogen phosphate for analysis (<= 0.005% Na) EMSURE® ACS,ISO,Reag. Ph Eur. Potassium dihydrogen phosphate CAS No. 7778-77-0, EC Number 231-913-4. Potassium dihydrogen phosphate MSDS  1.04877.1000

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M104877.1000

1.04877.1000

1048771000