Product Identification | Back to Contents | 【Product Name】
2-Thiobarbituric acid | 【Synonyms】
2-Mercaptobarbituric acid 2-Thio-4,6-dioxypyrimidine 4,6-Dihydroxy-2-mercaptopyrimidine Austranal Bathyran Dihydro-2-thioxo-4,6(1H,5H)-pyrimidinedione | 【CAS】
504-17-6 | 【Formula】
C4H4N2O2S | 【Molecular Weight】
144.15 | 【EINECS】
207-985-8 | 【RTECS】
CQ7700000 | 【RTECS Class】
Other | 【Beilstein/Gmelin】
120663 | 【Beilstein Reference】
5-24-09-00108 |
Physical and Chemical Properties | Back to Contents | 【Appearance】
Slightly yellow liquid. With a stench. | 【Solubility in water】
Very soluble | 【Melting Point】
235 | 【Boiling Point】
419 | 【Density】
1.661 g/cm3 | 【pKa/pKb】
3.96 (pKa) | 【Partition Coefficient】
-.81 | 【Usage】
Reagent for measuring the extent of lipid peroxidation in foods. |
First Aid Measures | Back to Contents | 【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. | 【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. | 【Eyes】
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. |
Handling and Storage | Back to Contents | 【Storage】
Store in a tightly closed container. Keep under a nitrogen blanket. Store in a cool, dry, well-ventilated area away from incompatible substances. | 【Handling】
Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. |
Hazards Identification | Back to Contents | 【Ingestion】
Expected to be a low ingestion hazard. May cause nausea and vomiting. | 【Inhalation】
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. | 【Skin】
May cause skin irritation. | 【Eyes】
May cause eye irritation. | 【EC Risk Phrase】
R 36/37/38 | 【EC Safety Phrase】
S 26 36 |
Exposure Controls/Personal Protection | Back to Contents | 【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. |
Fire Fighting Measures | Back to Contents | 【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. |
Stability and Reactivity | Back to Contents | 【Disposal Code】
3 | 【Stability】
No data. | 【Incompatibilities】
Stttrong oxidizing agents. | 【Decomposition】
Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide. |
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Company Name: |
J & K SCIENTIFIC LTD. |
Tel: |
010-82848833 400-666-7788 |
Fax: |
86-10-82849933 |
WebSite: |
http://www.jkchemical.com |
Company Name: |
Alfa Aesar |
Tel: |
400-6106006 |
Fax: |
021-67582001/03/05 |
WebSite: |
http://chemicals.thermofisher.cn |
Company Name: |
TAIYUAN RHF CO.,LTD. |
Tel: |
+86 351 7031519 |
Fax: |
+86 351 7031519 |
WebSite: |
www.rhfchem.com |
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