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HDI; Hexamethylene Diisocyanate; (CAS No.: 822-06-0)

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10-19 20-49 50+
FOB Unit Price: US $6,368 US $6,300 US $6,250
Purchase Qty. (Tons) FOB Unit Price
10-19 US $6,368
20-49 US $6,300
50+ US $6,250
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Production Capacity: 300mt/month
Transport Package: 250kg/drum
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: Industry Grade
  • Appearance: Oily Liquid
  • Colour: Transparent
  • EINECS No.: 212-485-8
  • MW: 168.19
  • Origin: China(mainland)
  • Source: Organic Acids
  • Grade Standard: Industrial Grade
  • CAS No: 822-06-0
  • mf: (CH2)6(NCO)2
  • Specification: Hexamethylene Diisocyanate
  • HS Code: 3001200020
Product Description
PRODUCT IDENTIFICATION
CAS NO.822-06-0 
EINECS NO.212-485-8
FORMULA(CH2)6(NCO)2
MOL WT.168.19
H.S. CODE 
TOXICITYOral rat LD50: 710 ul/kg
SYNONYMS1,6-Diisocyanatohexane; 1,6-Hexanediol diisocyanate;
HDI; Hexamethylene-1,6-diisocyanate; HMDI; isocyanic acid, diester with 1,6-hexanediol; isocyanic acid, hexamethylene ester; hexane 1,6-diisocyanate; 1,6-hexylene diisocyanate;Hexamethylendiisocyanat (Dutch); Diisocianato de hexametileno (Spanish); Diisocyanate d'hexaméthylène (French);
SMILES 
CLASSIFICATION 
PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATEClear to slightly yellow liquid, pungent odor
MELTING POINT-70 C
BOILING POINT261 C
SPECIFIC GRAVITY1.04 - 1.05
SOLUBILITY IN WATERReacts
pH 
VAPOR DENSITY 
AUTOIGNITION454 C
REFRACTIVE INDEX1.453
NFPA RATINGSHealth: 2; Flammability: 1; Reactivity: 0
FLASH POINT127 C
STABILITY 
SALES SPECIFICATION
APPEARANCEClear liquid
PURITY99.5% min
N=C=O CONTENT49.5% min
COLOR, APHA15 max
NCO EQUVALENT WT.84 gr
TRANSPORTATION
PACKING 
HAZARD CLASS6.1
UN NO.2281
OTHER INFORMATION
Hazard Symbols: T, Risk Phrases: 21/22-36/37/38-42/43, Safety Phrases: 26-28A-38-45
GENERAL DESCRIPTION OF CYANATE (ISOCYANATE)
Cyanic acid (the isomer of fulminic acid) is an unstable (explosive), poisonous, volatile, clear liquid with the structure of H-O-C≌N (the oxoacid formed from the pseudohalogen cyanide), which is readily converted to cyamelide and fulminic acid. There is another isomeric cyanic acid with the structure of H-N=C=O, called isocyanic acid. Cyanate group (and isocyanate group) can react with itself. Cyanuric acid (also called pyrolithic acid), white monoclinic crystal with the structure of [HOC(NCOH)2N], is the trimer of cyanic acid. The trimer of isocyanic acid is called biuret.
Cyanic acid: H-N=C=O or H-O-C≌N
Fulminic acid: (H-C=N-O) or H-C≌N-O
Isocyanic acid: H-N=C=O
Cyanuric acid: HOC(NCOH)2N
Biuret: (NH2)CO)2 NH
Cyanic acid hydrolyses to ammonia and carbon dioxide in water. The salts and esters of cyanic acid are cyanates. But esters of normal cyanic acid are not known. The salts and esters of isocyanic acid are isocyanates. The isocyanate group reacts with the hydroxyl functional group to form a urethane linkage. Diisocyanates (or polyisocyanates) are monomers for polyurethane production. Polyurethane is made from a variety of diisocyanates in conjunction with polyether and polyester polyols as co-reactants by addition polymerization which needs at least two -N=C=O groups. Polyurethanes are widely used in the manufacture of flexible and rigid foams, fibres, coatings, and elastomers. If isocyanate monomer is polymerized with amine group, polyurea is produced. Cyanates (or Isocyanates) are readily reacts with various form of amine (including ammonia, primary-, secondary-amines, amides and ureas) and hydroxyl functional group. They are used in the synthesis for the target molecules such as pharmaceuticals, pesticides, textile softener, lubricants and industrial disinfectants. They can convert to polycyclic compounds such as hydantoins and imidazolons. They are used as plastic additives and as heat treatment salt formulations for metals.
 
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