ChemicalBook > CAS DataBase List > Orthophosphorus acid

Orthophosphorus acid

Product Name
Orthophosphorus acid
CAS No.
10294-56-1
Chemical Name
Orthophosphorus acid
Synonyms
Phosphorous acid;Phosphorous acid 50% aqueous solution;Phosphorou acid;Orthophosphorus acid;Orthophosphorus acid ISO 9001：2015 REACH
CBNumber
CB12131082
Molecular Formula
H3O3P
Formula Weight
82
MOL File
10294-56-1.mol
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Orthophosphorus acid Property

pka
2.22±0.10(Predicted)
CAS DataBase Reference
10294-56-1
NIST Chemistry Reference
H3PO3(10294-56-1)
EPA Substance Registry System
Phosphorous acid (10294-56-1)
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Safety

Hazard Codes 
Xn,C
Risk Statements 
22-35
Safety Statements 
1/2-26-36/37/39-45
RIDADR 
UN 2834
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H302Harmful if swallowed

H314Causes severe skin burns and eye damage

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P310Immediately call a POISON CENTER or doctor/physician.

P321Specific treatment (see … on this label).

P330Rinse mouth.

P363Wash contaminated clothing before reuse.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Usbiological
Product number
462537
Product name
Phosphorous Acid
Packaging
50g
Price
$326
Updated
2021/12/16
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Orthophosphorus acid Chemical Properties,Usage,Production

Uses

Phosphorous acid is a reducer in chemical reactions and a raw material in the making of phosphorous acid salts. A plant defoliant.

Definition

A white crystalline solid. It is a monobasic acid forming the anion H2PO2- in water. The sodium salt, and hence the acid, can be prepared by heating yellow phosphorus with sodium hydroxide solution. The free acid and its salts are powerful reducing agents.

Orthophosphorus acid Preparation Products And Raw materials

Raw materials

Preparation Products

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Orthophosphorus acid Suppliers

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View Lastest Price from Orthophosphorus acid manufacturers

Career Henan Chemical Co
Product
Phosphorous acid 10294-56-1
Price
US $7.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
100kg
Release date
2019-08-04

10294-56-1, Orthophosphorus acidRelated Search:

Ethyl 2-(Chlorosulfonyl)acetate Dimethyl phosphite Diethyl phosphite Hyaluronic acid Phosphonic acid, disodium salt Citric acid Triphenyl phosphite Folic acid Phosphorus Sodium hypophosphite monohydrate POTASSIUM SULFITE Ammonium bisulfite Triethyl phosphite METHYLENEDIPHOSPHONIC ACID Ascoric Acid Water treatment disinfectant Trimethyl phosphite Phosphoric acid

  • Phosphorous acid
  • Phosphorou acid
  • Phosphorous acid 50% aqueous solution
  • Orthophosphorus acid
  • Orthophosphorus acid ISO 9001：2015 REACH
  • 10294-56-1