BTB(34722-90-2)
Supplier Product Identification
Physical and Chemical Properties
First Aid Measures
Handling and Storage
Hazards Identification
Exposure Controls/Personal Protection
Fire Fighting Measures
Accidental Release Measures
Stability and Reactivity
Transport Information
Product Identification
Product Name
BTB
BTB
Synonyms
Bromothymol
Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide, monosodium salt
Sodium 2-[(Z)-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-(3-bromo-2-methyl-4-oxo-5-propan-2-yl-1-cyclohexa-2,5-dienylidene)methyl]benzenesulfonate
Sodium alpha-(3-bromo-5-isopropyl-4-oxo-2-methyl-2,5-cyclohexadienylidene)-2-(3-bromo-4-hydroxy-5-isopropyl-2-methylphenyl)toluenesulfonate
Bromothymol
Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide, monosodium salt
Sodium 2-[(Z)-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-(3-bromo-2-methyl-4-oxo-5-propan-2-yl-1-cyclohexa-2,5-dienylidene)methyl]benzenesulfonate
Sodium alpha-(3-bromo-5-isopropyl-4-oxo-2-methyl-2,5-cyclohexadienylidene)-2-(3-bromo-4-hydroxy-5-isopropyl-2-methylphenyl)toluenesulfonate
CAS
34722-90-2
34722-90-2
Formula
C27H27Br2NaO5S
C27H27Br2NaO5S
Molecular Weight
646.37
646.37
EINECS
252-169-7
252-169-7
Beilstein/Gmelin
NA
NA
Physical and Chemical Properties
Appearance
Orange to black solid.
Orange to black solid.
pKa/pKb
7.0, 7.1(at 25℃) (pKa)
7.0, 7.1(at 25℃) (pKa)
Usage
A chemical indicator for weak acids and bases.
A chemical indicator for weak acids and bases.
First Aid Measures
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.
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.
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.
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. Get medical aid immediately.
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Get medical aid immediately.
Handling and Storage
Storage
Store in a cool, dry place. Store in a tightly closed container.
Store in a cool, dry place. Store in a tightly closed container.
Handling
Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Hazards Identification
Ingestion
The toxicological properties of this substance have not been fully investigated.
The toxicological properties of this substance have not been fully investigated.
Inhalation
The toxicological properties of this substance have not been fully investigated.
The toxicological properties of this substance have not been fully investigated.
Skin
No information regarding skin irritation and other potential effects was found.
No information regarding skin irritation and other potential effects was found.
Eyes
No information regarding eye irritation and other potential effects was found.
No information regarding eye irritation and other potential effects was found.
EC Safety Phrase
S 22 24/25
S 22 24/25
Exposure Controls/Personal Protection
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.
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.
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
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use agent most appropriate to extinguish fire.
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use agent most appropriate to extinguish fire.
Accidental Release Measures
Small spills/leaks
Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal.
Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal.
Stability and Reactivity
Incompatibilities
Oxidizing agents.
Oxidizing agents.
Stability
Stable under normal temperatures and pressures.
Stable under normal temperatures and pressures.
Decomposition
Carbon monoxide, oxides of sulfur, carbon dioxide, hydrogen bromide.
Carbon monoxide, oxides of sulfur, carbon dioxide, hydrogen bromide.
Transport Information
HS Code
2934 99 90
2934 99 90
Contact
More
- Company Name:NANTONG XINHE BIOTECH CO.,LTD
- Tel:13813727166,15370460228; 13813727166
- Fax:
- WebSite:http://www.bestxinhe.com/
- Company Name:BIOISCO(Lianyungang, Jiangsu) Biotechnology Co., Ltd
- Tel: 18082049515
- Fax:
- WebSite:https://www.bio149.com
- Company Name:Shenyang Delier Biotechnology Co., Ltd.
- Tel:024-15942301471 15942301471
- Fax:
- WebSite:
- Company Name:J & K SCIENTIFIC LTD.
- Tel:010-82848833 400-666-7788
- Fax:86-10-82849933
- WebSite:http://www.jkchemical.com
- Company Name:Meryer (Shanghai) Chemical Technology Co., Ltd.
- Tel:021-61259108 18621169109
- Fax:86-21-61259102
- WebSite:https://www.meryer.com/cn/index/