| Product Identification | Back to Contents | 【Product Name】
Bromocresol Purple | 【Synonyms】
3H-2,1-Benzoxathiole, phenol deriv.
o-Cresol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[6-bromo-, S,S-dioxide
Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-6-methyl- | 【CAS】
115-40-2 | 【Formula】
C21H16Br2O5S | 【Molecular Weight】
540.24 | 【EINECS】
204-087-8 | 【Merck】
13,1371 | 【Beilstein/Gmelin】
359618 | 【Beilstein Reference】
5-19-03-00460 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Pale yellow or purple crystals or powder, odorless. | 【Solubility in water】
1 g/L | 【Melting Point】
242 | 【pKa/pKb】
6.21, 6.3, 6.4(at 25℃) (pKa) | 【Usage】
Used as a acid base indicator. | 【Vapor Density】
N/R |
| First Aid Measures | Back to Contents | 【Ingestion】
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid. | 【Inhalation】
Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear. | 【Skin】
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. | 【Eyes】
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. |
| Handling and Storage | Back to Contents | 【Storage】
Keep away from heat, sparks, and flame. Store in a tightly closed container. Keep from contact with oxidizing materials. Store in a cool, dry, well-ventilated area away from incompatible substances. | 【Handling】
Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. |
| Hazards Identification | Back to Contents | 【Ingestion】
Ingestion of large amounts may cause gastrointestinal irritation. Expected to be a low ingestion hazard. | 【Inhalation】
May cause respiratory tract irritation. Low hazard for usual industrial handling. | 【Skin】
Dust may cause mechanical irritation. Low hazard for usual industrial handling. | 【Eyes】
Dust may cause mechanical irritation. | 【EC Safety Phrase】
S 22 24/25 |
| 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 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, dry chemical, chemical foam, or alcohol-resistant foam. Water or foam may cause frothing. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
3 | 【Stability】
Stable under normal shipping and handling conditions. However, may decompose if heated. | 【Incompatibilities】
Strong oxidizing agents. | 【Decomposition】
Carbon monoxide, oxides of sulfur, carbon dioxide, hydrogen bromide. |
|
| Company Name: |
J & K SCIENTIFIC LTD. |
| Tel: |
010-82848833 400-666-7788 |
| Fax: |
86-10-82849933 |
| WebSite: |
http://www.jkchemical.com |
| Company Name: |
|
| Tel: |
821-50328103-801 18930552037 |
| Fax: |
86-21-50328109 |
| WebSite: |
http://www.yuhua99.com/ShowSupplierProductsList13285/0.htm |
| Company Name: |
Alfa Aesar |
| Tel: |
400-6106006 |
| Fax: |
021-67582001/03/05 |
| WebSite: |
http://chemicals.thermofisher.cn |
|