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MSDS 
:
 Boron tribromide
CAS 
:
 10035-10-6
SYNONYMS 
:
 Tribromoborane; Tribromoboron; Boron bromide.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 10294-33-4 |Boron tribromide | >99 | 233-657-9 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: T+ C
Risk Phrases: 14 26/28 35

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Reacts violently with water. Very toxic by inhalation and if
swallowed. Causes severe burns.

Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin burns.
Ingestion:
May be fatal if swallowed. May cause severe and permanent damage to
the digestive tract.
Inhalation:
May be fatal if inhaled. Causes chemical burns to the respiratory
tract.
Chronic:
No information found.

**** SECTION 4 - FIRST AID MEASURES ****

Eyes:
In case of contact, immediately flush eyes with plenty of water for
at least 15 minutes. Get medical aid immediately.
Skin:
In case of contact, immediately flush skin with plenty of water for
at least 15 minutes while removing contaminated clothing and shoes.
Get medical aid immediately. Wash clothing before reuse.
Ingestion:
If swallowed, do NOT induce vomiting. Get medical aid immediately.
If victim is fully conscious, give a cupful of water. Never give
anything by mouth to an unconscious person.
Inhalation:
POISON material. If inhaled, get medical aid immediately. Remove
victim to fresh air. If not breathing, give artificial respiration.
If breathing is difficult, give oxygen.
Notes to Physician:

**** 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. During a fire, irritating and highly toxic gases
may be generated by thermal decomposition or combustion. Water
Reactive. Material will react with water and may release a flammable
and/or toxic gas. Vapors may be heavier than air. They can spread
along the ground and collect in low or confined areas. Runoff from
fire control or dilution water may cause pollution.
Extinguishing Media:
Use carbon dioxide or dry chemical. DO NOT USE WATER! Do NOT get
water inside containers.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth),
then place in suitable container. Clean up spills immediately,
observing precautions in the Protective Equipment section. Isolate
area and deny entry. Provide ventilation. Do not expose spill to
water. Evacuate unnecessary personnel. Approach spill from upwind.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Wash thoroughly after handling. Do not allow water to get into the
container because of violent reaction. Do not get in eyes, on skin,
or on clothing. Keep container tightly closed. Do not ingest or
inhale. Store protected from light. Discard contaminated shoes. Keep
from contact with moist air and steam. Use only with adequate
ventilation.
Storage:
Keep from contact with oxidizing materials. Store in a cool, dry,
well-ventilated area away from incompatible substances. Keep away
from water. Keep away from metals. Poison room locked. Do not store
in metal containers. Do not store near alkaline substances. Store
protected from light.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Use process enclosure, local exhaust ventilation, or other
engineering controls to control airborne levels below recommended
exposure limits. Facilities storing or utilizing this material should
be equipped with an eyewash facility and a safety shower.
Exposure Limits
CAS# 10035-10-6:
United Kingdom, WEL - STEL: 3 ppm STEL; 10 mg/m3 STEL
United States OSHA: 3 ppm TWA; 10 mg/m3 TWA
Belgium - STEL: 2 ppm VLE; 6.7 mg/m3 VLE
Germany: 2 ppm TWA; 6.7 mg/m3 TWA
Malaysia: 3 ppm Ceiling; 9.9 mg/m3 Ceiling
Netherlands: 2 ppm STEL; 6.7 mg/m3 STEL
Russia: 2 mg/m3 TWA
Spain: 2 ppm VLA-EC; 7 mg/m3 VLA-EC
CAS# 10294-33-4:
United Kingdom, WEL - STEL: 1 ppm STEL; 10 mg/m3 STEL

Belgium - TWA: 1 ppm VLE; 10 mg/m3 VLE
Germany: 10 mg/m3 TWA
Malaysia: 1 ppm Ceiling; 10 mg/m3 Ceiling
Spain: 1 ppm VLA-EC; 10 mg/m3 VLA-EC

Personal Protective Equipment

Eyes:
Wear chemical splash goggles.
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: Fuming Liquid
Color: clear amber - clear - colorless
Odor: pungent odor - irritating odor - acrid odor
pH: Not available.
Vapor Pressure: 40 mm Hg @ 14 deg C
Viscosity: Not available.
Boiling Point: 91 deg C @ 760 mm Hg
Freezing/Melting Point: -46 deg C
Autoignition Temperature: Not available.
Flash Point: None.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: Reacts.
Specific Gravity/Density: 2.6500 g/ml
Molecular Formula: BBr3
Molecular Weight: 250.52

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Stable under normal temperatures and pressures. Reacts violently
with water to yield hydrogen bromide.
Conditions to Avoid:
Light, moisture, excess heat, confined spaces.
Incompatibilities with Other Materials:
Potassium, sodium, water, metals, strong bases.
Hazardous Decomposition Products:
Hydrogen bromide, oxides of boron.
Hazardous Polymerization: Has not been reported.

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# 10035-10-6: MW3850000
CAS# 10294-33-4: ED7400000
LD50/LC50:
CAS# 10035-10-6: Inhalation, mouse: LC50 = 814 ppm/1H; Inhalation,
rat: LC50 = 2858 ppm/1H.
CAS# 10294-33-4.
Carcinogenicity:
Hydrogen bromide -
Not listed by ACGIH, IARC, or NTP.
Boron tribromide -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

**** 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
Shipping Name: BORON TRIBROMIDE
Hazard Class: 8
UN Number: 2692
Packing Group: I
IMO
Shipping Name: BORON TRIBROMIDE
Hazard Class: 8
UN Number: 2692
Packing Group: I
RID/ADR
Shipping Name: BORON TRIBROMIDE
Hazard Class: 8
UN Number: 2692
Packing group: I

**** SECTION 15 - REGULATORY INFORMATION ****

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T+ C
Risk Phrases:
R 14 Reacts violently with water.
R 26/28 Very toxic by inhalation and if swallowed.
R 35 Causes severe burns.
Safety Phrases:
S 9 Keep container in a well-ventilated place.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 28A After contact with skin, wash immediately with
plenty of water.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 10035-10-6: 1
CAS# 10294-33-4: No information available.
Canada
CAS# 10035-10-6 is listed on Canada's DSL List.
CAS# 10294-33-4 is listed on Canada's DSL List.
CAS# 10035-10-6 is listed on Canada's Ingredient Disclosure List.
CAS# 10294-33-4 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 10035-10-6 is listed on the TSCA inventory.
CAS# 10294-33-4 is listed on the TSCA inventory.

**** SECTION 16 - ADDITIONAL INFORMATION ****

Text for R-phrases from Section 2
MSDS Creation Date: 12/16/1998 Revision #4 Date: 7/12/2004

The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
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