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8.22066 EMD Millipore

Hexamethylene diisocyanate

Hexamethylene diisocyanate for synthesis. CAS 822-06-0, EC Number 212-485-8, chemical formula OCN(CH₂)₆NCO., for synthesis

Synonym: 1,6-Diisocyanatohexane

  • CAS Number 822-06-0

  • Linear Formula C₈H₁₂N₂O₂

  • Molecular Weight 168.2 g/mol

  •  EC Number 212-485-8



Related Categories Biochemicals and Reagents More...
packaging   250 ml in Glass bottle (8220660250)
bp   255 °C (1013 hPa)
expl. lim.     0.9 - 9.5 %(V)
vapor pressure   0.007 hPa (20 °C)
density   1.05 g/cm3 (25 °C)
flash point   130 °C
autoignition temp.   454 °C
mp   -67 °C
LD 50 oral   LD50 Rat 746 mg/kg
LD 50 dermal   LD50 Rabbit 570 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 99.0 % (a/a)
  Density (d 20 °C/ 4 °C): 1.046 - 1.047
  Identity (IR): passes test

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Safety Information

HS Code 
2929 10 00
Hazard Statement(s) 
H315: Causes skin irritation.
H317: May cause an allergic skin reaction.
H319: Causes serious eye irritation.
H331: Toxic if inhaled.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H335: May cause respiratory irritation.
Precautionary Statement(s) 
P280: Wear protective gloves.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Storage class 
6.1A Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK 1 slightly water endangering
Organic acid halides, anhydrides and isocyanates can be added dropwise to an excess of methanol (Cat. No. 822283) to convert them into the corresponding methyl esters or methyl carbamates. If necessary, neutralize with sodium hydroxide solution (Cat. No. 105587). Fill into container A.
Hazard Pictogram(s) 
GHS06  GHS06
Hazard Pictogram(s) 
GHS08  GHS08
Hazard Symbols 
Toxic  Toxic
Declaration (railroad and road) ADR, RID 
UN 2281 , 6.1, II
Declaration (transport by air) IATA-DGR 
UN 2281 , 6.1, II
Declaration (transport by sea) IMDG-Code 
UN 2281 , 6.1, II
Categories of danger 
toxic, irritant, sensitizing
R Phrase 
R 23-36/37/38-42/43
Toxic by inhalation.Irritating to eyes, respiratory system and skin.May cause sensitisation by inhalation and skin contact.
S Phrase 
S 26-28-38-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.After contact with skin, wash immediately with plenty of soap and water.In case of insufficient ventilation, wear suitable respiratory equipment.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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