Substance profile
Antu (ISO)
Antu (ISO) is prisms from alcohol and is odorless.
01 · Identification
What Antu (ISO) is
Antu (ISO) is prisms from alcohol and is odorless. Its molecular formula is C11H10N2S and its molecular weight is 202.28 g/mol. It boils at 400 °C, melts at 198 °C.
Under the GHS it carries the signal word Danger.
Other names for Antu (ISO)
- 1-(1-naphthyl)-2-thiourea
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 |
|---|---|
| H351 | Suspected of causing cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>. |
| H300 | Fatal if swallowed. |
Precautionary statements: P201, P270, P280, P301, P308, P310, P313, P330
03 · Physical and chemical properties
Antu (ISO) 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 | 400 °C (752 °F) | at 760 mmHg | DOE PAC |
| Decomposes | decomposes | NIOSH | |
| Decomposes (NIOSH, 2024) | decomposes | CAMEO | |
| Melting point | 198 °C (388.4 °F) | HSDB | |
| 197.78 °C (388 °F) | NIOSH | ||
| Density | 1 g/cm³ | HSDB | |
| Solubility | Solubility in acetone = 2.43 g/100 mL; in triethylene glycol = 8.6 g/100 mL; fairly soluble in hot alcohol | HSDB | |
| Slightly soluble in ethanol, ethyl ether, acetone | HSDB | ||
| In water, 600 mg/L at 25 °C | at 25 °C | HSDB | |
| Vapor pressure | 0 mmHg | at 25 °C | CAMEO |
| 0.000001 mmHg | at 25 °C | DOE PAC | |
| Low | NIOSH | ||
| Flash point | May burn but will not ignite readily (EPA, 1998) | CAMEO | |
| Lower explosive limit (LEL) | Noncombustible Solid | NIOSH | |
| Vapor density | 6.99 (air = 1) | CAMEO |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Antu (ISO)
Storage conditions
Separated from strong oxidants, silver nitrate, food and feedstuffs.
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Incompatibilities: Contact with strong oxidizers may cause fires and explosions.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
ANTU is incompatible with the following: Strong oxidizers, silver nitrate (NIOSH, 2024).
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Antu (ISO) in the storage compatibility matrix →