Cyclohexane, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethyl-

CAS 4098-71-9 C₁₂H₁₈N₂O₂ MW 222.3000 Danger NIOSH data available

Corrosion

Skull and Crossbones

Exclamation Mark

Health Hazard

Emergency: 911 | Poison Control: 1-800-222-1222

Recommended safety equipment

Personal protective equipment commonly recommended for the hazard classes shown above.

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Hazard Statements

Code	Statement	Hazard Class
`H302`	Harmful if swallowed	Acute toxicity, oral
`H312`	Harmful in contact with skin	Acute toxicity, dermal
`H314`	Causes severe skin burns and eye damage	Skin corrosion/irritation
`H317`	May cause an allergic skin reaction	Sensitization, Skin
`H318`	Causes serious eye damage	Serious eye damage/eye irritation
`H331`	Toxic if inhaled	Acute toxicity, inhalation
`H334`	May cause allergy or asthma symptoms or breathing difficulties if inhaled	Sensitization, respiratory
`H335`	May cause respiratory irritation	Specific target organ toxicity, single exposure; Respiratory tract irritation
`H372`	Causes damage to organs through prolonged or repeated exposure	Specific target organ toxicity, repeated exposure

Precautionary Statements

Code	Statement
`P233`	Keep container tightly closed.
`P260`	Do not breathe dust/fume/gas/mist/vapors/spray.
`P261`	Avoid breathing dust/fume/gas/mist/vapors/spray.
`P264`	Wash hands [and ...] thoroughly after handling.
`P264+P265`	Wash hands [and ...] thoroughly after handling. Do not touch eyes.
`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.
`P280`	Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
`P284`	[In case of inadequate ventilation] Wear respiratory protection.
`P301+P317`	IF SWALLOWED: Get medical help.
`P301+P330+P331`	IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
`P302+P352`	IF ON SKIN: wash with plenty of water/...
`P302+P361+P354`	IF ON SKIN: Take off Immediately all contaminated clothing. Immediately rinse with water for several minutes.
`P304+P340`	IF INHALED: Remove person to fresh air and keep comfortable for breathing.
`P305+P354+P338`	IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.
`P316`	Get emergency medical help immediately.
`P317`	Get emergency medical help.
`P319`	Get medical help if you feel unwell.
`P321`	Specific treatment (see information on this label and safety datasheet)).
`P330`	Rinse mouth.
`P333+P317`	If skin irritation or rash occurs: Get medical help.
`P342+P316`	If experiencing respiratory symptoms: Get emergence medical help immediately.
`P362+P364`	Take off contaminated clothing and wash it before reuse.
`P363`	Wash contaminated clothing before reuse.
`P403`	Store in a well-ventilated place.
`P403+P233`	Store in a well-ventilated place. Keep container tightly closed.
`P405`	Store locked up.
`P501`	Dispose of contents/container to ...

Exposure Limits

NIOSH REL	5.0000000000000001E-3 ppm
NIOSH STEL	0.02 ppm
Skin Notation	Yes — can be absorbed through skin

Physical Properties

Colorless to slightly yellow liquid with a pungent odor.

Flash Point	311°F
Vapor Pressure	0.0003 mmHg
Specific Gravity	1.06

NFPA 704 Diamond

Target Organs

Lungs Skin Eyes Nervous System

local irritation and CNS depression

Synonyms

IPDI, isocyanic acid, methylene (3,5,5-trimethyl-3,1-cyclohexylene) ester, 3-isocyanatomethyl-3,5,5-trimethylcyclohexyl-isocyanate, isophorone diamine diisocyanate

Data Sources

GHS Classification: PubChem CID 169132
NIOSH REL/IDLH: NIOSH Pocket Guide

Disclaimer: This information is compiled from public regulatory databases for reference only. It does not replace the manufacturer's Safety Data Sheet (SDS). Always consult the official SDS for your specific product before handling chemicals.

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