Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

Build a label

Substance profile

Pirimicarb

Pirimicarb is a colorless solid.

CAS 23103-98-2 C11H18N4O2 238.29 g/mol Danger

01 · Identification

What Pirimicarb is

Pirimicarb is a colorless solid. Its molecular formula is C11H18N4O2 and its molecular weight is 238.29 g/mol. It melts at 90.5 °C.

Under the GHS it carries the signal word Danger.

CAS number23103-98-2
EC number245-430-1
Index number006-035-00-8
Molecular formulaC11H18N4O2
Molecular weight238.29 g/mol

Other names for Pirimicarb

  • pirimicarb (ISO)
  • 2-(dimethylamino)-5,6-dimethylpyrimidin-4-yl dimethylcarbamate

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.

Signal wordDanger
Hazard statements assigned to Pirimicarb
CodeHazard statement
H351 Suspected of causing cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>.
H331 Toxic if inhaled.
H301 Toxic 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: P201, P260, P261, P270, P271, P272, P273, P280, P301, P304, P308, P310, P313, P330, P333, P391, P501

03 · Physical and chemical properties

Pirimicarb 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 90.5 °C (194.9 °F) HSDB
Density 1.21 g/cm³ HSDB
Solubility 4 g/l in acetone @ 25 °C; 2.5 g/l in ethanol at 25 °C; 2.9 g/l in xylene at 25 °C; 3.3 g/l in chloroform at 25 °C at 25 °C HSDB
In water, 2,700 mg/l @ 25 °C at 25 °C HSDB
Vapor pressure 0.00000728 mmHg at 25 °C HSDB
0.00000728 mmHg Haz-Map

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

Get the free GHS / CLP / OSHA deadline calendar

Verified 2026–2029 compliance dates in one PDF — plus alerts when the rules change.