99.9% purity Orthophosphorus acid with ISO Certificate
3 Inquiries
10294-56-1
Industrial Grade
99%
Qingdao
Baiding
200kg per drum
Yes
2025-06-22
Ortho-xylene,1-Butylene,Ammonium hydrogen fluoride,Bitumen
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Product Details
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial ReferenceA 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.Basic Info
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Product Name:
Phosphorous acid
Other Name:Phosphorous acid;858711-57-6
CAS No.:10294-56-1
Molecular Formula:H3O3P
InChIKeys:InChIKey=OJMIONKXNSYLSR-UHFFFAOYSA-N
Molecular Weight:82
Exact Mass:82.00
EC Number:233-663-1
HScode:2811199090
Categories:
Characteristics-
PSA:
60.7
XLogP3:-1.5
Appearance:Phosphorous acid appears as a white or yellow crystalline solid (melting point 70.1 deg C) or a solution of the solid. Density 1.651 g /cm3 . Contact may severely irritate skin, eyes, and mucous membranes. Toxic by ingestion, inhalation and skin absorption.
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Oral
Skin corrosion, Sub-category 1A
GHS label elements, including precautionary statements
Pictogram(s)
Signal word Danger
Hazard statement(s) H302 Harmful if swallowed
H314 Causes severe skin burns and eye damage
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P363 Wash contaminated clothing before reuse.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P316 Get emergency medical help immediately.
P321 Specific treatment (see ... on this label).
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage P405 Store locked up.
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions 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.
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Seller Information
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Business Type:
Trader
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Main Products:
Ortho-xylene,1-Butylene,Ammonium hydrogen fluoride,Bitumen
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Location:
Shinan District, Qingdao City, Shandong Province
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Payment Terms:
TT against copy of documents,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
15 days
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Total Annual Revenue:
$1 million-$2.5 million
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Total Employees:
5-10
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Year of Establishment:
2024
Company Certificates-
Hazardous chemicals trading license
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Inquiry History3 Inquiries
Country Product Purchase Quantity Date Posted
United States
Phosphorous Acid
250 MT Mar 29, 2026
Egypt
phosphorous Acid
1000 KG Jul 24, 2025
Poland
Phosphorous acid
1000 KG May 14, 2025 Post an enquiry for this product
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