Provenance

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

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Substance profile

5,5-dimethyl-perhydro-pyrimidin-2-one α-(4-trifluoromethylstyryl)-α-(4-trifluoromethyl)cinnamylidenehydrazone

5,5-dimethyl-perhydro-pyrimidin-2-one α-(4-trifluoromethylstyryl)-α-(4-trifluoromethyl)cinnamylidenehydrazone is yellow to tan crystals with a characteristic of vegetable oil odor.

CAS 67485-29-4 C25H24F6N4 494.5 g/mol Danger

01 · Identification

What 5,5-dimethyl-perhydro-pyrimidi… is

5,5-dimethyl-perhydro-pyrimidin-2-one α-(4-trifluoromethylstyryl)-α-(4-trifluoromethyl)cinnamylidenehydrazone is yellow to tan crystals with a characteristic of vegetable oil odor. Its molecular formula is C25H24F6N4 and its molecular weight is 494.5 g/mol. It melts at 190 °C.

Under the GHS it carries the signal word Danger. It is classed as teratogens.

CAS number67485-29-4
EC number405-090-9
Index number613-181-00-1
Molecular formulaC25H24F6N4
Molecular weight494.5 g/mol
Chemical class Teratogens

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 5,5-dimethyl-perhydro-pyrimidi…
CodeHazard statement
H302 Harmful if swallowed.
H372 Causes damage to organs <or state all organs affected, if known> through prolonged or repeated exposure <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>.
H319 Causes serious eye irritation.
H400 Very toxic to aquatic life.
H410 Very toxic to aquatic life with long lasting effects.

Precautionary statements: P260, P264, P270, P273, P280, P301, P305, P312, P313, P314, P330, P337, P338, P391, P501

This page lists only the codes assigned to 5,5-dimethyl-perhydro-pyri…. The full reference lives on the hazard statements hub, the precautionary statements hub and the GHS pictograms hub.

03 · Physical and chemical properties

5,5-dimethyl-perhydro-pyrimidi… 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 190 °C (374 °F) HSDB
Solubility In acetone 360, ethanol 72, 1,2-dichloroethane 170, methanol 230, isopropanol 12, xylene 94, chlorobenzene 390 (all in g/L at 20 °C) at 20 °C HSDB
In water, 0.006 mg/L at 25 °C at 25 °C HSDB
Vapor pressure 2e-8 mmHg at 25 °C HSDB
2.03e-8 mmHg at 25 °C HSDB
2e-8 mmHg Haz-Map
Flash point 104.44 °C (220 °F) above this value HSDB

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

04 · Handling and storage

Storing and handling 5,5-dimethyl-perhydro-pyrimidi…

Storage conditions

Store in a cool, dry, secure place and keep container tightly closed. Use product within 3 months after opening for best results.

Source: Hazardous Substances Data Bank (HSDB)

Reactivity

HYDRAMETHYLNON is a trifluoromethyl amidinohydrazone.

Source: CAMEO Chemicals

Planning storage for a mix of chemicals? Check 5,5-dimethyl-perhydro-pyr… in the storage compatibility matrix →

Safety Data Sheet

Getting an SDS for 5,5-dimethyl-perhydro-pyri…

A Safety Data Sheet is written for a product, not for a substance: the supplier of the grade you actually buy issues it, so two suppliers of 5,5-dimethyl-perhydro… issue two different sheets. That is why there is no single authoritative SDS for a substance to download — what there is, is the job of collecting the sheets for the products you hold and keeping them current as suppliers revise them.

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