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Shijiazhuang Kaizheng Trading Co., Ltd.

Tolylene-2 4-Diisocyanate, Cresorcinol Diisocyanate, 2 4-Tdi; 2 4-Toluenediisocyanate manufacturer / supplier in China, offering Tolylene-2, 4-Diisocyanate (584-84-9), Sodium Hypophosphite Monohydrate CAS: 10039-56-2 Mf: H2nao2p· H2O Grade: Top Quality, Pharmaceutical Raw Material Methylamine Hydrochloride / Methylamine HCl CAS 593-51-1 and so on.

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Tolylene-2, 4-Diisocyanate (584-84-9)

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1-9 10-99 100-999 1,000+
FOB Unit Price: US $10 US $8 US $6 US $5
Purchase Qty. (KG) FOB Unit Price
1-9 US $10
10-99 US $8
100-999 US $6
1,000+ US $5
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Production Capacity: 50000
Transport Package: Drum
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Basic Info
  • Model NO.: KWD-323
  • Grade Standard: Industrial Grade
  • Quality: First Class
  • Trademark: KWD
  • Origin: China
  • Classification: Calcium Oxide
  • Kind: Acidic Oxide
  • CAS Rn: 584-84-9
  • Specification: 99.99%
  • HS Code: 3101009020
Product Description
Tolylene-2,4-diisocyanate Basic information
Product Name:Tolylene-2,4-diisocyanate
Product Categories:Intermediates of Dyes and Pigments;Aromatics;Miscellaneous Reagents;Building Blocks;Chemical Synthesis;Isocyanates;Nitrogen Compounds;Organic Building Blocks
Mol File:584-84-9.mol
Tolylene-2,4-diisocyanate Chemical Properties
mp 20-22 °C(lit.)
bp 124-126 °C18 mm Hg(lit.)
density 1.225 g/mL at 25 °C
vapor density 6 (vs air)
vapor pressure 0.03 mm Hg ( 25 °C)
refractive index n20/D 1.568(lit.)
Fp 250 °F
storage temp. 2-8°C
Water Solubility reacts
Sensitive Moisture Sensitive
Merck 14,9530
BRN 744602
Stability:Stable, but decomposes in the presence of moisture. Also heat and light sensitive. Readily polymerizes in contact with base. Reacts with compounds containing active hydrogen. Incompatible with strong oxidizing agents. Corrodes some copper and aluminium alloys.
CAS DataBase Reference584-84-9(CAS DataBase Reference)
NIST Chemistry ReferenceBenzene, 2,4-diisocyanato-1-methyl-(584-84-9)
EPA Substance Registry SystemBenzene, 2,4-diisocyanato-1-methyl- (584-84-9)
Safety Information
Hazard Codes T+
Risk Statements 26-36/37/38-40-42/43-52/53
Safety Statements 23-36/37-45-61
RIDADR UN 2078 6.1/PG 2
WGK Germany 2
RTECS CZ6300000
HazardClass 6.1
PackingGroup II
HS Code 29291010
Hazardous Substances Data584-84-9(Hazardous Substances Data)
MSDS Information
Tolylene-2,4-diisocyanate Usage And Synthesis
Chemical Propertiescolourless to light yellow liquid
UsageOccupational asthma is the principal cause of work-related respiratory disease in the industrial world. Toluene-2,4-diisocyanate (TDI) is one of the most common respiratory sensitizers leading to occupational asthma.
UsageTDI (toluene diisocyanate) is an important basic raw materials of polyurethane. TDI is a mixture of 2,4-TDI and 2,6-TDI two kinds of isomers, including 3 kinds of commonly used grades: TDI-80/20, TDI-100 and TDI-65/35. Mainly used in the production of flexible polyurethane foam and polyurethane elastomer coatings, adhesives, etc..
Air & Water ReactionsReacts with water with the evolution of carbon dioxide and formation of insoluble polyureas that are relatively nontoxic and inert [Merck 11th ed. 1989)].
Reactivity ProfileTolylene-2,4-diisocyanate is explosive in the form of vapor when exposed to heat, flame or sparks. Undergoes potentially violent polymerization reaction with strong bases or acyl chlorides. Reacts with water to liberate carbon dioxide. Potential explosion if stored in polyethylene containers due to absorption of water through the plastic. Emits very toxic fumes of oxides of nitrogen when heated to decomposition [Lewis, 3rd ed., 1993, p. 1251].
Health HazardCan cause death. Contact with skin may cause allergic eczema. Substance is very corrosive to eyes. Chronic exposure may cause chronic lung disease. As a vapor TDI is a powerful irritant to the respiratory tract. Chronic loss of respiratory function may occur. Acute asthmatic bronchitis or frank asthma may occur. A splash in the eyes of workmen has caused keratitis and conjunctivitis. Tolylene-2,4-diisocyanate causes inflammation of the skin, also chemical pneumonitis and pulmonary edema.
Fire HazardWhen heated to decomposition Tolylene-2,4-diisocyanate emits very toxic fumes of cyanide and nitrogen oxides. Reacts violently with amines, alcohol, bases and warm water causing fire and explosion hazards. Avoid strong oxidizers, water, acids, bases, amines, etc., cause foam and splatter. Avoid heating. Hazardous polymerization may occur. Concentrated alkaline compound such as sodium hydroxide or tertiary amines may cause run-away polymerization. Slow, not hazardous polymerization may occur above 235F.
Tolylene-2,4-diisocyanate Preparation Products And Raw materia
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