PHOSPHOROUS ACID

PRODUCT DESCRIPTION

PHOSPHOROUS ACID IS INORGANIC PHOSPHORUS‑BASED CRYSTALLINE SOLID, CHEMICAL FORMULA H₃PO₃.
APPEARANCE: WHITE OR COLORLESS TRANSPARENT CRYSTAL, EASY TO DELIQUESCE IN AIR.
STRONG REDUCING PROPERTIES, MAINLY USED AS CHEMICAL SYNTHESIS INTERMEDIATE AND WATER‑TREATMENT RAW MATERIAL.
OUR INDUSTRIAL‑GRADE PHOSPHOROUS ACID WITH HIGH PURITY, LOW IMPURITY, STABLE BATCH‑TO‑BATCH QUALITY FOR LARGE‑VOLUME EXPORT ORDERS.
CAS NO.:10333‑62‑7; HS CODE:28111900.

PRODUCT SPECIFICATIONS — INDUSTRIAL GRADE PHOSPHOROUS ACID

TEST ITEM	TYPICAL SPECIFICATION
H₃PO₃ CONTENT, %	99.0 MIN
APPEARANCE	WHITE / COLOURLESS TRANSPARENT CRYSTAL
CHLORIDE (Cl), %	≤0.01
SULFATE (SO₄^2‑), %	≤0.02
IRON (Fe), MG/KG	≤10
ARSENIC (As), MG/KG	≤5
CAS NO.	10333‑62‑7
HS CODE	28111900

SPECIFICATION DATA FOR REFERENCE ONLY, ACTUAL VALUE SUBJECT TO BATCH‑WISE CERTIFICATE OF ANALYSIS (COA).

MAIN APPLICATIONS

CHEMICAL INTERMEDIATE: RAW MATERIAL FOR MANUFACTURING PHOSPHITE SALTS.
WATER TREATMENT INDUSTRY: RAW MATERIAL FOR SYNTHESIZING ORGANIC PHOSPHONATE WATER‑TREATMENT AGENTS.
REDUCING AGENT: USED AS REDUCING AGENT IN ORGANIC SYNTHESIS REACTION SYSTEM.
OTHER FIELDS: USED FOR POLYESTER STABILIZER, SYNTHETIC RESIN ADDITIVE.

PACKING & SHIPMENT

STANDARD EXPORT PACKAGE: 25KG KRAFT PAPER BAG WITH PE INNER LINER (MOISTURE‑PROOF).
BULK OPTION: 1000KG FIBC JUMBO BAG AVAILABLE UPON CUSTOMER NEGOTIATION.
THIS PRODUCT IS EASY TO DELIQUESCE. KEEP PACKAGE TIGHTLY SEALED DURING TRANSPORTATION, PROTECT FROM RAIN AND HUMID AIR; AVOID VIOLENT HANDLING TO PREVENT BAG DAMAGE.

TRADE INFORMATION

SUPPLY CAPACITY: LARGE‑VOLUME INDUSTRIAL‑GRADE PHOSPHOROUS ACID SUPPLY, DELIVERY SCHEDULE CONFIRMED PER ORDER.
PACKING DETAILS: 25KG PAPER BAG AS STANDARD; 1000KG JUMBO BAG ON REQUEST.
LOADING PORT: TO BE MUTUALLY AGREED BY BUYER AND SELLER.
INCOTERMS OPTIONS: FOB / CFR / CIF.
FULL SET EXPORT DOCUMENTS: COMMERCIAL INVOICE, PACKING LIST, BILL OF LADING, COA, CERTIFICATE OF ORIGIN, MSDS, SGS/THIRD‑PARTY INSPECTION REPORT IF REQUIRED.
SAMPLE SERVICE: 500G‑1KG SAMPLE AVAILABLE, BUYER COVER FREIGHT COST.

INSTRUCTIONS FOR USE

PHOSPHOROUS ACID IS CORROSIVE CRYSTALLINE CHEMICAL RAW MATERIAL. OPERATORS SHALL RECEIVE HAZARDOUS CHEMICAL SAFETY TRAINING BEFORE OPERATION.
OPERATORS MUST WEAR ACID‑RESISTANT GOGGLES, ACID‑RESISTANT GLOVES, PROTECTIVE CLOTHING, DUST‑PROOF RESPIRATOR.
AVOID INHALATION OF CRYSTAL DUST, AVOID SKIN AND EYE CONTACT; IN CASE OF CONTACT, RINSE WITH LARGE QUANTITY OF RUNNING WATER FOR AT LEAST 15 MINUTES AND SEEK MEDICAL TREATMENT.
WORKSHOP NEEDS GOOD VENTILATION; PREVENT DUST DIFFUSION.
DO NOT MIX WITH STRONG ALKALI, STRONG OXIDIZING AGENTS.

STORAGE CONDITIONS

STORE IN COOL, DRY, WELL‑VENTILATED INDOOR WAREHOUSE. STRICTLY PREVENT MOISTURE AND HUMID AIR INFILTRATION; PROHIBIT OPEN‑AIR STACKING.
KEEP AWAY FROM HEAT SOURCE, FIRE, ALKALI, OXIDIZERS. ISOLATED STORAGE IS REQUIRED.
SEAL PACKAGES TIGHTLY AT ALL TIMES, CHECK PACKAGE SEALING CONDITION REGULARLY TO AVOID DELIQUESCENCE DETERIORATION.
WAREHOUSE SHALL BE EQUIPPED WITH EMERGENCY WASHING FACILITIES AND NEUTRALIZING MATERIALS.
SHELF‑LIFE: 12 MONTHS UNDER ORIGINAL SEALED PACKAGE AND DRY STORAGE ENVIRONMENT.

LARGE‑VOLUME SUPPLY FOR INDUSTRIAL‑GRADE PHOSPHOROUS ACID H3PO3 CRYSTAL. SEND YOUR REQUIREMENTS TO GET BEST OFFER, FULL SET OF EXPORT DOCUMENTS SUPPORT CUSTOMS CLEARANCE.