Substance profile
Methylene bis(thiocyanate)
Methylene bis(thiocyanate) is a yellow to light orange-colored solid.
01 · Identification
What Methylene bis(thiocyanate) is
Methylene bis(thiocyanate) is a yellow to light orange-colored solid. Its molecular formula is C3H2N2S2 and its molecular weight is 130.2 g/mol. It melts at 106 °C.
Under the GHS it carries the signal word Danger.
Other names for Methylene bis(thiocyanate)
- methylene dithiocyanate
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 |
|---|---|
| H330 | Fatal if inhaled. |
| H301 | Toxic if swallowed. |
| H314 | Causes severe skin burns and eye damage. |
| H317 | May cause an allergic skin reaction. |
| H400 | Very toxic to aquatic life. |
Precautionary statements: P260, P261, P270, P271, P272, P273, P280, P301, P304, P310, P313, P330, P331, P333, P391, P501
03 · Physical and chemical properties
Methylene bis(thiocyanate) 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 |
|---|---|---|---|
| Melting point | 106 °C (222.8 °F) | range, midpoint shown | HSDB |
| 106.11 °C (223 °F) | range, midpoint shown | CAMEO | |
| Solubility | Solubility in water: none | ICSC | |
| Greater than 100 mg/ml in DMSO at 20 °C. 10-50 mg/ml in 95% ethanol at 20 °C. Greater than 100 mg/ml in acetone at 20 °C. | at 20 °C | HSDB | |
| Decomposes (NTP, 1992) | decomposes | CAMEO | |
| Vapor pressure | 0.002 mmHg | Haz-Map |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Methylene bis(thiocyanate)
Reactivity
METHYLENEBIS(THIOCYANATE) reacts vigorously with strong bases and strong oxidizing agents such as hydrogen peroxide. Hydrolyzes slowly with water at boiling temperatures and reacts slowly and exothermically with aqueous acids (NTP, 1992).
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Methylene bis(thiocyanate… in the storage compatibility matrix →