132898-95-4

132898-95-4 structure
132898-95-4 structure

Name 2,2-Bithiophene-5-boronic acid
Synonyms (5-thiophen-2-ylthiophen-2-yl)boronic acid
[2,2'-Bithiophen]-5-ylboronic acid
Density 1.42g/cm3
Boiling Point 416.1ºC at 760mmHg
Melting Point 127ºC
Molecular Formula C8H7BO2S2
Molecular Weight 210.08100
Flash Point 205.5ºC
Exact Mass 209.99800
PSA 96.94000
LogP 1.15640
Vapour Pressure 1.14E-07mmHg at 25°C
Index of Refraction 1.658
Name: 2 2 -Bithiophene-5-boronic acid 97% Material Safety Data Sheet
Synonym:
CAS: 132898-95-4
Section 1 - Chemical Product MSDS Name:2 2 -Bithiophene-5-boronic acid 97% Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
132898-95-4 2,2'-Bithiophene-5-boronic acid 97% unlisted
Hazard Symbols: XI
Risk Phrases: 36/37/38

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin.Moisture sensitive.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation:
Causes respiratory tract irritation. May be harmful if inhaled.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Treat symptomatically and supportively.

Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
Use foam, dry chemical, or carbon dioxide.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container.

Section 7 - HANDLING and STORAGE
Handling:
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Store under nitrogen.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 132898-95-4: Personal Protective Equipment Eyes: Not available.
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 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid
Color: blue
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 127 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C8H7BO2S2
Molecular Weight: 210.08

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials, exposure to moist air or water.
Incompatibilities with Other Materials:
Strong oxidizing agents, bases, reducing agents, halogens, halogenated agents.
Hazardous Decomposition Products:
Carbon monoxide, oxides of sulfur, carbon dioxide, acrid smoke and fumes, oxides of boron.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 132898-95-4 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
2,2'-Bithiophene-5-boronic acid - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION


Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION

IATA
No information available.
IMO
No information available.
RID/ADR
No information available.

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
WGK (Water Danger/Protection)
CAS# 132898-95-4: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 132898-95-4 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 132898-95-4 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A
Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases S26-S37/39

~72%

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Literature: Kim, Dae-Sik; Kyo, Han Ahn Journal of Organic Chemistry, 2008 , vol. 73, # 17 p. 6831 - 6834

~71%

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Literature: Toyo Gosei Co., Ltd. Patent: EP1535942 A1, 2005 ;

~98%

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Literature: Katagiri, Toshifumi; Ota, Satoshi; Ohira, Takayuki; Yamao, Takeshi; Hotta, Shu Journal of Heterocyclic Chemistry, 2007 , vol. 44, # 4 p. 853 - 862

~78%

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Literature: Dufresne, Stephane; Hanan, Garry S.; Skene Journal of Physical Chemistry B, 2007 , vol. 111, # 39 p. 11407 - 11418

~73%

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Literature: An, Peng; Yu, Zhipeng; Lin, Qing Chemical Communications, 2013 , vol. 49, # 85 p. 9920 - 9922