Substance profile
Guanidine Hydrochloride
Guanidine Hydrochloride: large Crystals; Dry Powder; Liquid.
01 · Identification
What Guanidine Hydrochloride is
Guanidine Hydrochloride: large Crystals; Dry Powder; Liquid. It melts at 183 °C.
Under the GHS it carries the signal word Warning.
Other names for Guanidine Hydrochloride
- guanidinium chloride
- guanadine hydrochloride
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. |
| H315 | Causes skin irritation. |
| H319 | Causes serious eye irritation. |
Precautionary statements: P264, P270, P280, P301, P302, P305, P312, P313, P330, P332, P337, P338, P352
03 · Physical and chemical properties
Guanidine Hydrochloride 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 | 183 °C (361.4 °F) | DOE PAC | |
| 181.5 °C (358.7 °F) | range, midpoint shown | ICSC | |
| Density | 1.3 g/cm³ | ICSC | |
| Solubility | Solubility in water, g/100ml at 20 °C: 215 | at 20 °C | ICSC |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.