HEDP (HYDROXYETHYLIDENE DIPHOSPHONIC ACID)

PRODUCT DESCRIPTION

HEDP IS A TYPICAL ORGANIC PHOSPHONIC ACID DERIVATIVE, CHEMICAL FORMULA C₂H₈O₇P₂.
PRODUCT APPEARANCE: COLOURLESS TO LIGHT‑YELLOW TRANSPARENT AQUEOUS LIQUID.
IT BELONGS TO CLASS 8 CORROSIVE DANGEROUS GOODS, UN 3265 (CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.).
WE SUPPLY 50% AND 60% LIQUID GRADE, MAINLY USED AS WATER‑TREATMENT SCALE AND CORROSION INHIBITOR.
THIS PRODUCT IS DERIVED FROM PHOSPHONIC ACID CHEMICAL SKELETON. MANY BUYERS INQUIRING "PHOSPHONIC ACID" ACTUALLY REFER TO DERIVATIVES SUCH AS HEDP / ATMP, PLEASE CONFIRM SPECIFICATION BEFORE ORDERING.
STABLE COMPONENT, CONSISTENT BATCH‑TO‑BATCH QUALITY FOR LARGE‑VOLUME EXPORT ORDERS.
CAS NO.:2809‑21‑4; HS CODE:29319000; UN NO.:3265 (CORROSIVE SUBSTANCE).

PRODUCT SPECIFICATIONS — HEDP 50% / 60%

TEST ITEM	TYPICAL SPECIFICATION 50%	TYPICAL SPECIFICATION 60%
ACTIVE CONTENT, %	50.0 MIN	60.0 MIN
APPEARANCE	COLOURLESS TO LIGHT‑YELLOW TRANSPARENT LIQUID	COLOURLESS TO LIGHT‑YELLOW TRANSPARENT LIQUID
PH VALUE (1% SOLUTION)	≤2.0	≤2.0
CHLORIDE (Cl), %	≤0.10	≤0.10
PHOSPHOROUS ACID (AS H₃PO₃), %	≤1.0	≤1.0
CAS NO.	2809‑21‑4	2809‑21‑4
UN NO.	3265	3265
HS CODE	29319000	29319000

SPECIFICATION DATA FOR REFERENCE ONLY, ACTUAL VALUE SUBJECT TO BATCH‑WISE CERTIFICATE OF ANALYSIS (COA). BOTH 50% AND 60% LIQUID GRADE ARE AVAILABLE UPON REQUEST. THIS IS CLASS 8 CORROSIVE HAZARDOUS GOODS.

MAIN APPLICATION FUNCTIONS

COOLING WATER & BOILER WATER TREATMENT: HIGH‑EFFICIENCY SCALE INHIBITOR AND CORROSION INHIBITOR FOR RECIRCULATING COOLING SYSTEM, BOILER CIRCULATING WATER.
REVERSE OSMOSIS SYSTEM: SCALE CONTROL AGENT FOR RO WATER TREATMENT PLANT.
DETERGENT INDUSTRY: CHELATING AGENT FOR INDUSTRIAL CLEANER FORMULATION.
OILFIELD INDUSTRY: SCALE INHIBITOR FOR OIL‑FIELD WATER INJECTION SYSTEM.

PACKING & SHIPMENT — TWO EXPORT PACKAGING SOLUTIONS

SOLUTION 1: IBC TOTE PACKAGE
- 20 PIECES OF IBC TOTES PER 20FT GP FULL CONTAINER.
- NET LOAD: 1.2 METRIC TONS PER IBC, TOTAL 24 MT PER 20FT GP CONTAINER.
SOLUTION 2: ISO TANK CONTAINER PACKAGE
- APPLICATION SCENARIO: SUITABLE FOR LARGE‑VOLUME ORDERS AND LONG‑TERM CONTRACT DEMAND.
- KEY NOTICES FOR ISO TANK SHIPMENT: ISO TANK CONTAINERS NEED TO BE ARRANGED IN ADVANCE BEFORE SHIPMENT.
THIS IS CLASS 8 CORROSIVE DANGEROUS GOODS (UN 3265). ALL PACKAGES MUST BE DURABLE, SEALED COMPLETELY TO AVOID LEAKAGE DURING HANDLING AND OCEAN SHIPMENT.
AVOID INVERSION, COLLISION, VIOLENT IMPACT; PROTECT FROM SUNLIGHT, HIGH‑TEMPERATURE ENVIRONMENT. SEPARATE FROM FOOD, FEED AND ALKALINE GOODS DURING TRANSPORT.

TRADE INFORMATION

SUPPLY CAPACITY: LARGE‑VOLUME INDUSTRIAL‑GRADE HEDP 50% / 60% LIQUID SUPPLY, DELIVERY SCHEDULE CONFIRMED PER ORDER.
PACKING DETAILS: IBC TOTE / ISO TANK OPTION.
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, DANGEROUS GOODS DECLARATION, SGS/THIRD‑PARTY INSPECTION REPORT IF REQUIRED.
SAMPLE SERVICE: 500ML‑1L SAMPLE AVAILABLE, BUYER SHALL UNDERTAKE HAZARDOUS GOODS FREIGHT COST.

INSTRUCTIONS FOR USE

HEDP IS CLASS‑8 CORROSIVE LIQUID. ALL OPERATORS MUST RECEIVE HAZARDOUS CHEMICAL SAFETY TRAINING BEFORE OPERATION.
OPERATORS MUST WEAR ACID‑RESISTANT CHEMICAL GOGGLES, ACID‑RESISTANT GLOVES, ACID‑PROTECTIVE CLOTHING, RESPIRATORY PROTECTION DEVICE AGAINST ACID MIST.
AVOID SKIN, EYE AND MUCOUS MEMBRANE CONTACT. IN CASE OF SPLASH CONTACT, RINSE LARGE QUANTITY OF RUNNING WATER FOR AT LEAST 15 MINUTES AND SEEK MEDICAL TREATMENT IMMEDIATELY.
WORKSHOP AND OPERATION AREA NEED GOOD VENTILATION; EQUIPMENT AND PIPELINES SHALL BE ACID‑RESISTANT MATERIAL. PREVENT ACID MIST ACCUMULATION.
DO NOT MIX WITH ALKALINE SUBSTANCES, AMMONIA OR STRONG OXIDIZING AGENTS.

STORAGE CONDITIONS

STORE IN COOL, DRY, WELL‑VENTILATED DANGEROUS‑GOODS WAREHOUSE FOR CORROSIVE CHEMICALS; PROHIBIT OPEN‑AIR STACKING AND DIRECT SUN EXPOSURE.
KEEP AWAY FROM HEAT SOURCE, FIRE, ALKALINE MATERIALS, OXIDIZERS, FOOD AND FEED RAW MATERIALS. STORE INDEPENDENTLY, ISOLATED STORAGE ZONE REQUIRED.
STORAGE CONTAINERS SHALL BE SEALED TIGHTLY. CHECK PACKAGE SEALING CONDITION REGULARLY TO DETECT LEAKAGE EARLY.
WAREHOUSE SHALL BE EQUIPPED WITH ACID‑RESISTANT LEAKAGE‑COLLECTION FACILITY, EMERGENCY WASHING DEVICE AND NEUTRALIZING MATERIALS.
SHELF‑LIFE: 12 MONTHS UNDER ORIGINAL SEALED PACKAGE AND SUITABLE STORAGE ENVIRONMENT.

LARGE‑VOLUME SUPPLY FOR INDUSTRIAL‑GRADE HEDP 50%‑60% LIQUID, ORGANIC PHOSPHONIC ACID DERIVATIVE FOR WATER TREATMENT. SEND YOUR REQUIREMENTS TO GET BEST OFFER, FULL SET OF EXPORT & DANGEROUS GOODS DOCUMENTS SUPPORT CUSTOMS CLEARANCE.