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7681-53-0

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Basic Information
CAS No.: 7681-53-0
Name: Sodium Hypophosphite
Molecular Structure:
Molecular Structure of 7681-53-0 (Sodium Hypophosphite)
Formula: NaH2PO2
Molecular Weight: 87.98
Synonyms: Phosphinicacid, sodium salt (8CI,9CI);Sodium hypophosphite (NaH2PO2) (7CI);Crosslink WC205;Hypophosphorous acid monosodium salt;Monosodium hypophosphite;Phosphinicacid monosodium salt;Sodium hydrogen phosphite (NaH2PO2);Sodiumhydrophosphite;Phosphinicacid, sodium salt (1:1);Sodium phosphate (NaH2PO2);Sodiumphosphinate;Sodium phosphinate (NaH2PO2);Sodium phosphinite;Sodium hypophosphite (NaH2PO2);Sodiuhypophos;
EINECS: 231-669-9
Density: 1.388
Melting Point: 100oC
Solubility: 909g/L at 30℃
Appearance: odorless white crystals
Safety: 17
PSA: 49.94000
LogP: 0.08820
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Chemistry

Molecule structure of Sodium Hypophosphite (CAS NO.7681-53-0):

Molecular Formula: NaH2PO2
Molecular Weight: 87.98 g/mol
Stability: stable. incompatible with strong oxidizing agents.
EINECS: 231-669-9
Product Categories: Inorganic Chemicals;Inorganics;Inorganic Salts;Synthetic Reagents

Uses

 Sodium Hypophosphite (CAS NO.7681-53-0) is used for pharmaceutical and electroless nickel plating, it is used as a strong reductant.In the method of electroless nickel plating, a durable nickel-phosphorus film can coat objects with irregular surfaces, and can widely be used ionics, aviation and the petroleum field.It also can be used as a food additive.

Toxicity Data With Reference

1.    

ipr-mus LD50:1584 mg/kg

    COREAF    Comptes Rendus Hebdomadaires des Seances de lAcademie des Sciences. 257 (1963),791.
2.    

scu-rbt LDLo:50 mg/kg

   

HBAMAK    Abdernaldens Handbuch der Biologischen Arbeitsmethoden. 4 (1935),1289.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Safety Statements: 17 
S17:Keep away from combustible material.
RTECS: WB5950000

Specification

 Sodium Hypophosphite (CAS NO.7681-53-0) is also named as HSDB 6032 ; Hypophosphorous acid monosodium salt ; Monosodium hypophosphite ; Natriumhypophosphit ; Natriumhypophosphit [German] ; Phosphinic acid monosodium salt ; Phosphinic acid, sodium salt ; Sodium hydrogen phosphite (NaH2PO2) ; Sodium hypophosphite (NaH2PO2) ; Sodium phosphinate ; Sodium phosphinate (NaH2PO2) . Sodium Hypophosphite (CAS NO.7681-53-0) is odorless white crystals at room temperature. It is soluble in water, and easily absorbs moisture from the air. Sodium hypophosphite should be kept in a cool, dry place, isolated from oxidizing materials. It produces toxic phosphine gas when heated, causing irritation to the respiratory tract.