Home >> msds >> 4,6-Dihydroxy-2-mercaptopyrimidine


Print        Favorite
[Fire Fighting]

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam.

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.

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

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

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

Store in a tightly closed container. Keep under a nitrogen blanket. Store in a cool, dry, well-ventilated area away from incompatible substances.

Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Expected to be a low ingestion hazard. May cause nausea and vomiting.

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

May cause skin irritation.

May cause eye irritation.
[EC Risk Phrase]

R 36/37/38
[EC Safety Phrase]

S 26 36
[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.

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.

Slightly yellow liquid. With a stench.
[Solubility in water]

Very soluble
[Melting Point]

[Boiling Point]


1.661 g/cm3

3.96 (pKa)
[Partition Coefficient]


Reagent for measuring the extent of lipid peroxidation in foods.
[Product Name]

2-Thiobarbituric acid

2-Mercaptobarbituric acid


[Molecular Weight]



[RTECS Class]


[Beilstein Reference]

[Small spills/leaks]

Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal.
[Disposal Code]


No data.

Stttrong oxidizing agents.

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

2933 59 95