Home >> msds >> 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone

1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone

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[Flash Point]

121
[Autoignition]

255
[Fire Fighting]

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
[Upper exp. limit]

9.3
[Lower exp. limit]

1.6
[Ingestion]

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
[Inhalation]

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
[Skin]

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
[Eyes]

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
[Storage]

Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.
[Handling]

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
[Ingestion]

May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated.
[Inhalation]

May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
[Skin]

May cause skin irritation. The toxicological properties of this material have not been fully investigated.
[Eyes]

May cause eye irritation. The toxicological properties of this material have not been fully investigated.
[EC Risk Phrase]

R 22 36
[EC Safety Phrase]

S 26 36/37/39
[Personal Protection]

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
[Respirators]

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
[Appearance]

Clear, colorless liquid.
[Solubility in water]

Soluble
[Melting Point]

-24
[Boiling Point]

230
[Vapor Pressure]

7.5 (50 C)
[Density]

1.06 g/cm3
[Heat Of Vaporization]

48.10 kJ/mol
[Refractive Index]

1.49 (20 C)
[Product Name]

DMPU
[Synonyms]

1,3-Dimethyl-1,3-diazinan-2-one
N,N'-Dimethyltrimethyleneurea
Tetrahydro-1,3-dimethyl-2(1H)pyrimidine
[CAS]

"CASEN_7226-23-5.htm">7226-23-5
[Formula]

C6H12N2O
[Molecular Weight]

128.18
[EINECS]

230-625-6
[RTECS]

UW7582500
[RTECS Class]

Drug
[Beilstein/Gmelin]

110562
[Beilstein Reference]

5-24-01-00197
[EC Class]

harmful, irritant
[Small spills/leaks]

Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Provide ventilation.
[Disposal Code]

1
[Incompatibilities]

Oxidizing agents.
[Stability]

Stable under normal temperatures and pressures.
[Decomposition]

Nitrogen oxides, carbon monoxide, carbon dioxide.
[HS Code]

2933 59 95