Substance profile
Chlorocresol
Chlorocresol is dimorphous crystals aqueous solutions turn yellow on exposure to light and air and is odorless.
01 · Identification
What Chlorocresol is
Chlorocresol is dimorphous crystals aqueous solutions turn yellow on exposure to light and air and is odorless. It boils at 235 °C, melts at 67 °C, is soluble in water.
Under the GHS it carries the signal word Danger.
Other names for Chlorocresol
- 4-chloro-m-cresol
- 4-chloro-3-methylphenol
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H302 | Harmful if swallowed. |
| H335 | May cause respiratory irritation. |
| H314 | Causes severe skin burns and eye damage. |
| H318 | Causes serious eye damage. |
| H317 | May cause an allergic skin reaction. |
| H400 | Very toxic to aquatic life. |
| H412 | Harmful to aquatic life with long lasting effects. |
Precautionary statements: P260, P261, P270, P272, P273, P280, P301, P305, P310, P312, P313, P330, P331, P333, P338, P391, P501
03 · Physical and chemical properties
Chlorocresol 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.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Boiling point | 235 °C (455 °F) | HSDB | |
| 235 °C (455 °F) | at 760 mmHg | CAMEO | |
| Melting point | 67 °C (152.6 °F) | HSDB | |
| 55.5 °C (131.9 °F) | ligroin | HSDB | |
| 66.11 °C (151 °F) | CAMEO | ||
| Density | 1.37 g/cm³ | HSDB | |
| 1.4 g/cm³ | ICSC | ||
| 0.9 g/cm³ | at 25 °C | CAMEO | |
| Solubility | Soluble in alkalies, organic solvents, fats, and oils | HSDB | |
| One gram dissolves in 260 mL water at 20 °C | at 20 °C | HSDB | |
| Vapor pressure | 0.05 mmHg | at 20 °C | HSDB |
| 0.05 mmHg | Haz-Map | ||
| Flash point | 110 °C (230 °F) | CAMEO | |
| 118 °C (244.4 °F) | ICSC | ||
| Autoignition temperature | 590 °C (1094 °F) | ICSC | |
| Odor threshold | detection: 0.1 mg/kg | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Chlorocresol
Incompatible materials
p-Chloro-m-cresol is corrosive to metals and forms complex compounds with transition metal ions. Slow discoloration of the chemical occurs in the presence of sunlight.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
CHLOROCRESOLS are incompatible with bases, acid chlorides, acid anhydrides, and oxidizing agents. Corrodes steel, brass, copper and copper alloys (NTP, 1992).
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Chlorocresol in the storage compatibility matrix →