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Description: Monosodium phosphate (MSP), also known as monobasic sodium phosphate and sodium dihydrogen phosphate. It is a white powder that is easily soluble in water but is not soluble in organic solutions.

Molecular formula : NaH 2 PO 4 .2H 2 O

Molecular weight : 156.01

CAS No.: 13472-35-0

EINECS No.:  231-449-2

E No.: E339

H.S CODE: 28352200

Uses: MSP is used as a buffering agent for a wide array of products. It is also used to control pH in water treatment applications.

 

 
 
Items Specifications
Content 98% MIN
Phosphorus pentoxide (P2O5) 44.6% MIN
PH 4.2-4.8
Water-insoluble 0.1% max
   
Product Name: Sodium dihydrogen phosphate dihydrate Other Name: Phosphoric acid,sodium salt,hydrate (1:1:2);Phosphoric acid,monosodium salt,dihydrate;Sodium dihydrogen phosphate dihydrate;Monosodium phosphate dihydrate;Sodium phosphate (NaH2PO4) dihydrate;Monosodium dihydrogen phosphate dihydrate;53807-02-6
CAS No.: 13472-35-0 Molecular Formula: H3O4P.2H2O.Na
InChIKeys: InChIKey=UTYPQJKNTDECGD-UHFFFAOYSA-N Molecular Weight: 156.01
Exact Mass: 155.98000 EC Number: 231-449-2
HScode: 2835 22 00 Categories: Emulsifier
PSA: 82.6 XLogP3: -0.61900
Appearance: White Solid Density: 1,915 g/cm 3
Melting Point: 60 °C Boiling Point: 158ºC at 760 mmHg
Refractive Index: 1.4629 Water Solubility: H2O: soluble
Storage Conditions: Store at +5°C to +30°C. Toxicity: 7940 mg/kg”>LD50 orally in Rabbit: 8290 mg/kg LD50 dermal Rabbit > 7940 mg/kg

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Pictogram(s) No symbol.
Signal word

No signal word

Hazard statement(s)

none

Precautionary statement(s)
Prevention

none

Response

none

Storage

none

Disposal

none

Other hazards which do not result in classification

no data available

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.