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| CAS No.: | 63705-05-5 |
|---|---|
| Name: | Sulphur |
| Molecular Structure: | |
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| Formula: | S |
| Molecular Weight: | 34.08090 |
| Synonyms: | H2S |
| Density: | 444 |
| Melting Point: | 112.8 to 120oC |
| Boiling Point: | 444.6oC |
| Appearance: | yellow |
| Hazard Symbols: | R11:Highly flammable.; R36:Irritating to eyes.; |
| Risk Codes: | R11; R36 |
| PSA: | 25.30000 |
| LogP: | 0.11280 |
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History
Since the 6th century BC A natural form of sulfur known as shiliuhuang was known in China and found in Hanzhong. By the 3rd century, the Chinese discovered that sulfur could be extracted from pyrite.Chinese Daoists were interested in sulfur's flammability and its reactivity with certain metals, yet its earliest practical uses were found in traditional Chinese medicine. A Song Dynasty military treatise of 1044 AD described different formulas for Chinese black powder, which is a mixture of potassium nitrate (KNO3), charcoal, and sulfur. In 1777 Antoine Lavoisier helped convince the scientific community that sulfur was an element and not a compound. Sulfur was discovered in underground deposits in Louisiana and Texas in 1867. The overlying layer of earth was quicksand, prohibiting ordinary mining operations, therefore the Frasch process was developed.
Specification
The Sulphur, with the CAS registry number 63705-05-5, is also known as Sulfur, pharmaceutical.It belongs to the product Inorganic Chemistrys.What's more,Its systematic name is Sulfur. Its EINECS number is 231-722-6. The Sulphur is an element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight 32.066. It is found in the amino acids cysteine and methionine.The Sulphur is highly flammable. When you are using Sulphur, Keep away from the Sulphur of ignition. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1)InChI:InChI=1/S;
(2)Smiles:S;
The toxicity data of Sulphur as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| dog | LDLo | intravenous | 10mg/kg (10mg/kg) | Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 29, Pg. 289, 1940. | |
| guinea pig | LDLo | intraperitoneal | 55mg/kg (55mg/kg) | Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 29, Pg. 289, 1940. | |
| mammal (species unspecified) | LC50 | inhalation | 1660mg/m3 (1660mg/m3) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 34(12), Pg. 8, 1990. | |
| rabbit | LDLo | intravenous | 5mg/kg (5mg/kg) | Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 29, Pg. 289, 1940. | |
| rabbit | LDLo | oral | 175mg/kg (175mg/kg) | Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 29, Pg. 289, 1940. | |
| rat | LD | oral | > 8437mg/kg (8437mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 18(5), Pg. 48, 1974. | |
| rat | LDLo | intravenous | 8mg/kg (8mg/kg) | Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 29, Pg. 289, 1940. |