Substance profile
Propyl 3,4,5-trihydroxybenzoate
Propyl 3,4,5-trihydroxybenzoate is a white to creamy-white crystalline powder and is odorless.
01 · Identification
What Propyl 3,4,5-trihydroxybenzoat… is
Propyl 3,4,5-trihydroxybenzoate is a white to creamy-white crystalline powder and is odorless. Its molecular formula is C10H12O5 and its molecular weight is 212.2 g/mol. It melts at 150 °C.
Under the GHS it carries the signal word Warning.
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. |
| H317 | May cause an allergic skin reaction. |
| H400 | Very toxic to aquatic life. |
| H410 | Very toxic to aquatic life with long lasting effects. |
Precautionary statements: P261, P270, P272, P273, P280, P301, P312, P313, P330, P333, P391, P501
03 · Physical and chemical properties
Propyl 3,4,5-trihydroxybenzoat… 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 | Decomposes (NTP, 1992) | decomposes | CAMEO |
| Melting point | 150 °C (302 °F) | CAMEO | |
| 148 °C (298.4 °F) | range, midpoint shown | HSDB | |
| Density | 1.21 g/cm³ | HSDB | |
| Solubility | Slightly soluble in acetone and 2-butanol | HSDB | |
| In water, 3490 mg/L at 25 deg, 2790 mg/L at 20 °C, 3790 mg/L at 30 °C | at 20 °C | HSDB | |
| Solubility at 25 °C: in water 0.35 g/100 mL | at 25 °C | HSDB | |
| Flash point | 187 °C (368.6 °F) | HSDB | |
| 186.67 °C (368 °F) | CAMEO | ||
| Vapor density | 7.3 (air = 1) | CAMEO |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Propyl 3,4,5-trihydroxybenzoat…
Storage conditions
Keep container tightly closed in a dry and well-ventilated place.
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Incompatible materials: Strong oxidizing agents, strong acids, strong bases, strong reducing agents
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
PROPYL GALLATE can react with oxidizing agents. Incompatible with strong acids, strong bases and strong reducing agents. Darkens in the presence of iron and iron salts. Contact with metals should be avoided (NTP, 1992).
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Propyl 3,4,5-trihydroxybe… in the storage compatibility matrix →