Overview
Epichlorohydrin (CAS 106-89-8 ), commonly abbreviated as ECH, is a reactive chlorinated epoxide monomer that serves as a foundational building block in polymer synthesis.
Its bifunctional reactivity, combining an epoxide ring with a reactive chlorine, makes it indispensable for producing a broad range of crosslinked resins and specialty polymers.
ECH is the primary raw material in epoxy resin manufacturing, where it reacts with bisphenol A to produce the base resins used in coatings, adhesives, and structural composites.
In the textile and paper industries, ECH-derived polyamide-epichlorohydrin resins are applied as wet-strength agents, improving paper durability under moisture and fixing dyes to fiber substrates.
Flame retardant formulations incorporate ECH as a reactive intermediate to introduce chlorine into polymer backbones, providing durable fire resistance in plastics and coatings.
It also functions as a crosslinking agent in the production of glycerol, synthetic glycerin, and water treatment resins used for ion exchange applications.
Epichlorohydrin is supplied as a colorless liquid in bulk quantities, including ISO tank containers, drums, and intermediate bulk containers for industrial use.
Technical grade is the standard commercial specification, with purity levels typically at 99% or above. Procurement volumes range from drum quantities to full bulk shipments.
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Physical Properties
| Melting Point | -25.6 °C |
| Boiling Point | 117.9 °C |
| Density | 1.1750 g/cm³ @ Temp: 25 °C |
| Flash Point | 93 °F |
| Appearance | Epichlorohydrin is a colorless liquid with a slightly irritating, chloroform-like odor. |
| Color | APHA: ≤20 |
| Odor | Pungent, garlic; sweet, pungent; like chloroform. |
| Form | Liquid |
| Water Solubility | 6 g/100 mL (10 ºC) |
| Vapor Pressure | 13.8 mm Hg ( 21.1 °C) |
| Refractive Index | n 20/D 1.438(lit.) |
| Log P | 0.45 at 20℃ |
Safety & Handling
Danger GHS02 GHS05 GHS06 GHS08 GHS07 Hazard Statements H226 Flammable liquid and vapor H301 Toxic if swallowed H311 Toxic in contact with skin H314 Causes severe skin burns and eye damage H317 May cause an allergic skin reaction H318 Causes serious eye damage H330 Fatal if inhaled H331 Toxic if inhaled H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled H335 May cause respiratory irritation H340 May cause genetic defects H341 Suspected of causing genetic defects H350 May cause cancer H360 May damage fertility or the unborn child H361 Suspected of damaging fertility or the unborn child H370 Causes damage to organs H372 Causes damage to organs through prolonged or repeated exposure H402 Harmful to aquatic life H412 Harmful to aquatic life with long lasting effects H301+H331 Toxic if swallowed or if inhaled H301+H311+H331 Toxic if swallowed, in contact with skin or if inhaled Precautionary Statements P203 Obtain, consult and follow expert instructions for use. P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P262 Do not get in eyes, on skin, or on clothing. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P272 Contaminated work clothing should not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P284 In case of inadequate ventilation wear respiratory protection. P316 Get emergency medical help immediately. P317 Get emergency medical help. P318 IF exposed or concerned, get medical advice. P319 Get medical advice/attention if you feel unwell. P320 Specific treatment is urgent (see … on this label). P321 Specific treatment (see … on this label). P330 Rinse mouth. P363 Wash contaminated clothing before reuse. P403 Store in a well-ventilated place. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P316 Get emergency medical help immediately. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P308+P316 Get emergency medical help immediately. P333+P317 Get emergency medical help. P342+P316 Get emergency medical help immediately. P361+P364 Take off immediately all contaminated clothing and wash it before reuse. P362+P364 Take off contaminated clothing and wash it before reuse. P370+P378 Use … for extinction. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P403+P235 Store in a well-ventilated place. Keep cool. P301+P330+P331 Rinse mouth. Do NOT induce vomiting. P302+P361+P354 IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower. P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29103000 |
| UN Number | 2023 |
| ADR Class | 6.1 |
| Packing Group | II |
| Storage Class | 3 - Flammable liquids |
| WGK (Germany) | 3 |
Other Names
Related Products
Chemical Properties
- CAS Number
- 106-89-8
- EC Number
- 203-439-8
- Mol. Weight
- 92.52
- HS Code
- 29103000
- Category
- Pigments & Colorants