Substance profile
Dicyclohexylamine
Dicyclohexylamine is a colorless liquid with a faint fishy odor.
01 · Identification
What Dicyclohexylamine is
Dicyclohexylamine is a colorless liquid with a faint fishy odor. It boils at 256 °C, melts at -0.1 °C, is soluble in water.
Under the GHS it carries the signal word Danger. It is classed as corrosives.
02 · Identifiers
Dicyclohexylamine identifiers and molecular data
Dicyclohexylamine CAS number and EC number
Dicyclohexylamine molecular formula and molecular weight
03 · GHS classification
Dicyclohexylamine hazard classification
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
Dicyclohexylamine pictograms and signal word
Dicyclohexylamine hazard class and category
| Hazard class | Category | From code | Pictogram |
|---|---|---|---|
| Acute toxicity - oral GHS chapter 3.1 | Category 4 | H302 | GHS07 |
| Skin corrosion/irritation GHS chapter 3.2 | Category 1A or 1B or 1C | H314 | GHS05 |
| Hazardous to the aquatic environment - acute GHS chapter 4.1 | Category 1 | H400 | GHS09 |
| Hazardous to the aquatic environment - chronic GHS chapter 4.1 | Category 1 | H410 | GHS09 |
Where two values are shown with “or”, the hazard statement is shared by more than one category or by more than one class, and the code alone does not say which. H272, for example, belongs to oxidising liquids and to oxidising solids — the physical state decides. The binding answer for a specific entry is in the CLP Annex VI table itself.
Dicyclohexylamine hazard statements (H-codes)
| Code | Hazard statement |
|---|---|
| H302 | Harmful if swallowed. |
| H314 | Causes severe skin burns and eye damage. |
| H400 | Very toxic to aquatic life. |
| H410 | Very toxic to aquatic life with long lasting effects. |
This page lists only the codes assigned to Dicyclohexylamine. The full reference lives on the hazard statements hub, the precautionary statements hub and the GHS pictograms hub.
Safety Data Sheet
Getting an SDS for Dicyclohexylamine
A Safety Data Sheet is written for a product, not for a substance: the supplier of the grade you actually buy issues it, so two suppliers of Dicyclohexylamine issue two different sheets. That is why there is no single authoritative SDS for a substance to download — what there is, is the job of collecting the sheets for the products you hold and keeping them current as suppliers revise them.
04 · Precautionary statements
Dicyclohexylamine precautionary statements
CLP Annex VI assigns 11 precautionary statements to Dicyclohexylamine. They are grouped the way a label groups them: what to do before handling, what to do when something has already happened, how to store it and how to dispose of it.
Prevention
What to do before and during handling so the hazard never happens.
Response
What to do once exposure, spillage or fire has already happened.
Disposal
What has to happen to the contents and the empty container.
Reading the notation. … is a blank the supplier fills in — not a truncated sentence.· [square brackets] mark a part printed only when it applies.
05 · Names in the regulation
Dicyclohexylamine name in 23 EU languages
CLP Annex VI Part 3 is published in every language edition of the regulation, and the identification column is written out in each of them. Nothing below is translated by us: each line is the name as that edition prints it. Under Art. 18(2) the substance name from Annex VI is a lawful product identifier, so this is the wording to put on a label going to that market — and where the cell lists several designations, any one of them qualifies.
| Language | Name in CLP Annex VI Part 3 |
|---|---|
| Bulgarian български | дициклохексиламин |
| Spanish español | Diciclohexilamina |
| Czech čeština | dicyklohexylamin |
| Danish dansk | dicyclohexylamin |
| German Deutsch | Dicyclohexylamin |
| Estonian eesti | ditsükloheksüülamiin |
| Greek ελληνικά | δικυκλοεξυλαμίνη |
| English English | dicyclohexylamine |
| French français | dicyclohexylamine |
| Croatian hrvatski | dicikloheksilamin |
| Italian italiano | dicicloesilamina |
| Latvian latviešu | dicikloheksilamīns |
| Lithuanian lietuvių | dicikloheksilaminas |
| Hungarian magyar | diciklohexilamin |
| Maltese Malti | diċikloessilammina |
| Dutch Nederlands | dicyclohexylamine |
| Polish polski | dicykloheksyloamina |
| Portuguese português | diciclo-hexilamina |
| Romanian română | diciclohexilamină |
| Slovak slovenčina | dicyklohexylamín |
| Slovenian slovenščina | dicikloheksilamin |
| Finnish suomi | disykloheksyyliamiini |
| Swedish svenska | dicyklohexylamin |
All 23 language editions of Annex VI carry this entry. Irish is the twenty-fourth official EU language and has no line here for a different reason: no consolidated CLP text has ever been published in Irish, so there is no Irish edition of Annex VI to quote a name from. Source: consolidated CLP, CELEX 02008R1272, language editions. © European Union, https://eur-lex.europa.eu — only the electronic Official Journal of the European Union is authentic.
06 · Label elements
Dicyclohexylamine GHS label elements
Everything CLP Annex VI fixes for Dicyclohexylamine, laid out the way it appears on a label. The greyed lines are the parts only the supplier can fill in.
Danger
Dicyclohexylamine
- Harmful if swallowed.
- Causes severe skin burns and eye damage.
- Very toxic to aquatic life.
- Very toxic to aquatic life with long lasting effects.
- Do not breathe dust/fume/gas/mist/vapours/spray.
- Do not eat, drink or smoke when using this product.
- Avoid release to the environment.
- Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/…
- IF SWALLOWED:
- Immediately call a POISON CENTER/doctor/…
- Call a POISON CENTER/doctor/… if you feel unwell.
- Rinse mouth.
- Do NOT induce vomiting.
- Collect spillage.
- Dispose of contents/container to …
Supplier name, address and telephone number· Product identifier·Nominal quantity
Need this as an actual label? Open Dicyclohexylamine in the GHS label constructor →
07 · Health hazards
Dicyclohexylamine health hazards and exposure limits
Dicyclohexylamine hazard summary
A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; May cause pulmonary edema; [ICSC] Possible skin sensitizer; [Merck Index] Toxic by ingestion, inhalation, and skin contact; [CAMEO] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; No sensitizing effects known; [MSDSonline] Danger of cutaneous absorption; [MAK]
Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
08 · Physical and chemical properties
Dicyclohexylamine properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
Dicyclohexylamine boiling point
| Property | Value | Conditions | Source |
|---|---|---|---|
| Boiling point | 255.8 °C (492.4 °F) | at 760 mmHg | HSDB |
| 255.78 °C (492.4 °F) | at 760 mmHg | CAMEO | |
| 256 °C (492.8 °F) | ICSC |
Dicyclohexylamine melting point
| Property | Value | Conditions | Source |
|---|---|---|---|
| Melting point | -0.1 °C (31.8 °F) | HSDB | |
| 20 °C (68 °F) | CAMEO |
Dicyclohexylamine density
| Property | Value | Conditions | Source |
|---|---|---|---|
| Density | 0.9 g/cm³ | ICSC | |
| 0.9104 g/cm³ | at 25 °C | HSDB | |
| 0.916 g/cm³ | range, midpoint shown, at 15 °C | CAMEO |
Dicyclohexylamine solubility
| Property | Value | Conditions | Source |
|---|---|---|---|
| Solubility | SPARINGLY SOL IN WATER; SOL IN USUAL ORGANIC SOLVENTS; MISCIBLE WITH CYCLOHEXYLAMINE | HSDB | |
| Soluble in ethanol, ether, benzene. | HSDB | ||
| Soluble in oxygenated solvents. | HSDB |
Dicyclohexylamine vapor pressure
| Property | Value | Conditions | Source |
|---|---|---|---|
| Vapor pressure | 12.001 mmHg | at 37.7 °C | ICSC |
| 0.03 mmHg | Haz-Map | ||
| 3.38X10-2 at 25 °C | at 25 °C | HSDB |
Dicyclohexylamine flash point
| Property | Value | Conditions | Source |
|---|---|---|---|
| Flash point | 105 °C (221 °F) | ICSC | |
| 98.89 °C (210 °F) | above this value | CAMEO |
Dicyclohexylamine autoignition temperature
| Property | Value | Conditions | Source |
|---|---|---|---|
| Autoignition temperature | 255 °C (491 °F) | ICSC |
Dicyclohexylamine lower explosive limit (LEL)
| Property | Value | Conditions | Source |
|---|---|---|---|
| Lower explosive limit (LEL) | 0.9 % by volume | ICSC |
Dicyclohexylamine upper explosive limit (UEL)
| Property | Value | Conditions | Source |
|---|---|---|---|
| Upper explosive limit (UEL) | 6.9 % by volume | ICSC |
Dicyclohexylamine vapor density
| Property | Value | Conditions | Source |
|---|---|---|---|
| Vapor density | 6.25 (air = 1) | HSDB | |
| 6.25 (air = 1) | at 20 °C | CAMEO |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
09 · Fire and explosion
Dicyclohexylamine fire and explosion behaviour
These are descriptions rather than measured values, so they are kept out of the table above and quoted here with the source that reported them.
Dicyclohexylamine fire potential
COMBUSTIBLE WHEN EXPOSED TO HEAT OR FLAME; CAN REACT WITH OXIDIZING MATERIALS.
Source: Hazardous Substances Data Bank (HSDB)
10 · Handling and storage
Dicyclohexylamine storage and handling
Dicyclohexylamine safe storage
Separated from strong oxidants, strong acids and food and feedstuffs.
Source: ILO-WHO International Chemical Safety Cards (ICSCs)
Dicyclohexylamine reactivity
DICYCLOHEXYLAMINE reacts with oxidizing agents. Forms crystalline salts with many N-protected amino acids (NTP, 1992). Neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Dicyclohexylamine in the storage compatibility matrix →
11 · Transport
Dicyclohexylamine UN number and transport classification
Transport classification is a separate system from the GHS classification above. It decides how a package is marked and how a load may be carried; it does not follow from the workplace label, and the workplace label does not follow from it. The entries below are linked by CAS number, never by name.
Dicyclohexylamine under UN 2565 — shipping name, class and packing group
Europe · ADR 2025, Table A
| Proper shipping name (3.1.2) | Class | Classification code | PG | Labels (column 5) |
|---|---|---|---|---|
| DICYCLOHEXYLAMINE | 8 | C7 | III | |
Source: ADR 2025, Table A of Chapter 3.2 · ECE/TRANS/352 Vol. I (UNECE). Class 8 is “Corrosive substances” (ADR 2.1.1.1).
United States · 49 CFR 172.101 Hazardous Materials Table
| Proper shipping name (column 2) | Class or division | PG | Labels (column 6) |
|---|---|---|---|
| Dicyclohexylamine | 8 | III | |
Source: 49 CFR 172.101 Hazardous Materials Table · eCFR, revision 2026-08-03. Class 8 is “Corrosive material” (49 CFR 173.2).
12 · Questions
Dicyclohexylamine — frequently asked questions
What is the CAS number of Dicyclohexylamine?
The CAS number of Dicyclohexylamine is 101-83-7. Its EC number is 202-980-7.
What does a Dicyclohexylamine label have to show?
Under CLP Annex VI the label for Dicyclohexylamine carries the pictograms Corrosion, Exclamation mark and Environment and the signal word is Danger.
Is Dicyclohexylamine flammable?
CLP Annex VI assigns Dicyclohexylamine no flammability hazard class. That is not a statement that it cannot burn: the harmonised list only records the hazards that were assessed for it. The flash point reported for it is 105 °C (221 °F) (ICSC).
Is Dicyclohexylamine a carcinogen?
CLP Annex VI records no harmonised carcinogenicity classification for Dicyclohexylamine. Annex VI is a list of agreed classifications, not a list of substances found safe, so this is an absence of a classification rather than a clean bill of health.
What is the boiling point of Dicyclohexylamine?
The boiling point reported for Dicyclohexylamine is 255.8 °C (492.4 °F), at 760 mmHg (HSDB).
What is the melting point of Dicyclohexylamine?
The melting point reported for Dicyclohexylamine is -0.1 °C (31.8 °F) (HSDB).
Nearby
Substances next to Dicyclohexylamine
Keep going: substances starting with D, or search the whole database by name, CAS number, pictogram or signal word.