Diborane(6) SDS
SECTION 1: Identification of the substance/mixture and of the company/undertaking
Product identifier
- Product name： Diborane(6)
- CAS： 19287-45-7
Relevant identified uses of the substance or mixture and uses advised against
- Relevant identified uses： For R&D use only. Not for medicinal, household or other use.
- Uses advised against： none
Company Identification
- Company：Chemicalbook.in
- Address：5 vasavi Layout Basaveswara Nilayam Pragathi Nagar Hyderabad, India -500090
- Telephone：+91 9550333722
SECTION 2: Hazards identification
Classification of the substance or mixture
Flammable gases, Category 1A, Flammable gas
Acute toxicity - Category 1, Inhalation
GHS label elements, including precautionary statements
-
Pictogram(s)
- Signal word Danger
H220 Extremely flammable gas
H280 Contains gas under pressure; may explode if heated
H330 Fatal if inhaled
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
P284 [In case of inadequate ventilation] wear respiratory protection.
P377 Leaking gas fire: Do not extinguish, unless leak can be stopped safely.
P381 In case of leakage, eliminate all ignition sources.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P316 Get emergency medical help immediately.
P320 Specific treatment is urgent (see ... on this label).
P403 Store in a well-ventilated place.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
SECTION 3: Composition/information on ingredients
Substance
- Chemical name: Diborane(6)
- Common names and synonyms: Diborane(6)
- CAS number: 19287-45-7
- EC number: 242-940-6
- Concentration: 100%
SECTION 4: First aid measures
Description of necessary first-aid measures
Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention.
ON FROSTBITE: rinse with plenty of water, do NOT remove clothes. Refer for medical attention .
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Rinse mouth with water. Do not induce vomiting. Never give anything by mouth to an unconscious person. Call a doctor or Poison Control Center immediately.
Most important symptoms/effects, acute and delayed
Boranes are highly toxic by inhalation, skin absorption or ingestion. They may produce acute or chronic poisoning. Diborane is an irritant to the lungs and kidneys. The primary effect of diborane poisoning is lung congestion caused by local tissue irritation produced by the exothermic reaction of hydrolysis. (EPA, 1998)
Indication of immediate medical attention and special treatment needed, if necessary
Maintain an open airway and assist ventilation if nescessary. treat coma, seizures, hypotension, and renal failure if they occur. There is no specific antidote. Administer activated charcoal (although boric acid is not well absorbed). Consider gastric lavage for large ingestions. Boric acid, Borates, and Boron
SECTION 5: Firefighting measures
Suitable extinguishing media
Do not use halocarbons. Use fine spray or fog to control fire by preventing its spread and absorbing some of its heat. Stop flow of gas before extinguishing fire. Liquid nitrogen may be effective for cooling and extinguishing diborane fires. Use water spray to deep fire-exposed containers cool. Explosive decomposition may occur under fire conditions. Fight fire from protected location or maximum possible distance. Approach fire from upwind to avoid hazardous vapors.
Specific hazards arising from the chemical
It will ignite spontaneously in moist air at room temperature. Also, it reacts violently with vaporizing liquid-type extinguishing agents. It hydrolyzes in water to hydrogen and boric acid. Incompatible with air, halogenated compounds, aluminum, lithium, active metals, oxidized surfaces, chlorine, fuming nitric acid, nitrogen trifluoride, oxygen, and phosphorus trifluoride. Avoid moist air, electrical sparks, open flames or any other heat source. Hazardous polymerization may occur. (EPA, 1998)
Special protective actions for fire-fighters
Shut off supply; if not possible and no risk to surroundings, let the fire burn itself out. In other cases extinguish with dry powder. NO hydrous agents. In case of fire: keep cylinder cool by spraying with water. NO direct contact with water. Combat fire from a sheltered position.
SECTION 6: Accidental release measures
Personal precautions, protective equipment and emergency procedures
Evacuate danger area! Consult an expert! Personal protection: complete protective clothing including self-contained breathing apparatus. Ventilation. Remove all ignition sources. Turn off gas at source if possible.
Environmental precautions
Evacuate danger area! Consult an expert! Personal protection: complete protective clothing including self-contained breathing apparatus. Ventilation. Remove all ignition sources. Turn off gas at source if possible.
Methods and materials for containment and cleaning up
Evacuate danger area! Consult an expert! Ventilation. Stop flow of gas. Spilled liquid has very low temperature and evaporates quickly (extra personal protection: complete protective clothing including self-contained breathing apparatus).
SECTION 7: Handling and storage
Precautions for safe handling
NO open flames, NO sparks and NO smoking. NO contact with halogens, oxidizing agents or water. NO contact with hot surfaces. Closed system, ventilation, explosion-proof electrical equipment and lighting. Prevent build-up of electrostatic charges (e.g., by grounding). Use non-sparking handtools. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Fireproof. Separated from strong oxidants, food and feedstuffs and water. Cool. Ventilation along the floor and ceiling. Dry.Store in a cool, dry, well-ventilated location. Isolate from air, moisture, halogens, alkali metals, aluminum, and rust. Outside or detached storage is preferred. Normally refrigerated.
SECTION 8: Exposure controls/personal protection
Control parameters
TLV: 0.1 ppm as TWA
no data available
Appropriate engineering controls
Ensure adequate ventilation. Handle in accordance with good industrial hygiene and safety practice. Set up emergency exits and the risk-elimination area.
Individual protection measures, such as personal protective equipment (PPE)
Wear safety goggles or eye protection in combination with breathing protection.
Cold-insulating gloves.
Use ventilation, local exhaust or breathing protection.
no data available
SECTION 9: Physical and chemical properties and safety characteristics
-
Physical state：
Diborane is a colorless gas with an offensive odor. It is toxic by inhalation. Diborane is decomposed by water giving off hydrogen, another flammable gas and boric acid a non-regulated material. Its vapors are heavier than air. Long term exposure to low concentrations or short term exposure to high concentrations can result in adverse health effects from inhalation. It is used in electronics. Rate of onset: Immediate Persistence: Minutes to hours Odor threshold: 2.5 ppm Source/use/other hazard: Intermediate chemical manufacturing; very flammable.
-
Colour：
Colorless gas
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Odour：
Repulsively, sickly-sweet odor
-
Melting point/freezing point：
-165°C
-
Boiling point or initial boiling point and boiling range：
72-74?°C15?mm Hg(lit.)
-
Flammability：
Flammable Gas
-
Lower and upper explosion limit/flammability limit：
0.8% LOWER and 88% UPPER /table/
-
Flash point：
170?°F
-
Auto-ignition temperature：
100 to 126° F (NTP, 1992)
-
Decomposition temperature：
no data available
-
pH：
no data available
-
Kinematic viscosity：
Gas: 0.00785 mPa.s at 101.325 kPa at 10 deg C. Liquid: 0.177 mPa.s at -109.2 deg C.
-
Solubility：
Decomposes (NTP, 1992)
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Partition coefficient n-octanol/water：
no data available
-
Vapour pressure：
224 mm Hg at -169.6° F (EPA, 1998)
-
Density and/or relative density：
1.157?g/mL?at 25?°C(lit.)
-
Relative vapour density：
1 (EPA, 1998) (Relative to Air)
-
Particle characteristics：
no data available
SECTION 10: Stability and reactivity
Reactivity
The substance polymerizes. This produces liquid pentaborane. Reacts violently with oxidants. Decomposes rapidly on heating. This produces hydrogen, boric acid and boric oxide.
Chemical stability
Conditions contributing to instability: Temperatures above -18 deg C (0 deg F).
Possibility of hazardous reactions
Flammable gas. Evolves hydrogen and ignites on contact with water or moist air. Pyrophoric; may ignite spontaneously on exposure to air. May accumulate then explode in air without a source of ignition.The gas mixes well with air, explosive mixtures are easily formed.It is a colorless, air and moisture-sensitive gas, highly toxic. It ignites in air. It is very explosive when exposed to heat or flame, on contact with moisture it produces hydrogen gas. Explosive reaction with benzene vapor, chlorine, nitric acid and tetravinyllead [Bretherick, 5th ed., 1995, p. 77]. Explosive reaction with dimethyl sulfoxide [Shriver, 1969, p. 209], violent reaction with halocarbon liquids used as fire extinguishants (e.g., carbon tetrachloride). Reaction with Al or Li produces complex hydrides that may ignite spontaneously in air [Haz. Chem. Data, 1975, p. 114].
Conditions to avoid
no data available
Incompatible materials
A violent explosion occurred when carbon tetrachloride was used on a borane fire.
Hazardous decomposition products
Heat can cause /diborane/ to decompose violently ...
SECTION 11: Toxicological information
Acute toxicity
- Oral: no data available
- Inhalation: LC50 Rat inhalation 40 or 80 ppm/4 hr (Depends on age of animals)
- Dermal: no data available
Skin corrosion/irritation
no data available
Serious eye damage/irritation
no data available
Respiratory or skin sensitization
no data available
Germ cell mutagenicity
no data available
Carcinogenicity
no data available
Reproductive toxicity
no data available
STOT-single exposure
The substance is corrosive to the eyes, skin and respiratory tract. Inhalation may cause lung oedema. See Notes. The effects may be delayed. Exposure could cause death.
STOT-repeated exposure
Inhalation may cause asthma-like reactions (RADS).
Aspiration hazard
A harmful concentration of this gas in the air will be reached very quickly on loss of containment.
SECTION 12: Ecological information
Toxicity
- Toxicity to fish: no data available
- Toxicity to daphnia and other aquatic invertebrates: no data available
- Toxicity to algae: no data available
- Toxicity to microorganisms: no data available
Persistence and degradability
no data available
Bioaccumulative potential
no data available
Mobility in soil
no data available
Other adverse effects
no data available
SECTION 13: Disposal considerations
Disposal methods
The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.
Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.
SECTION 14: Transport information
UN Number
ADR/RID: UN1911 (For reference only, please check.)
IMDG: UN1911 (For reference only, please check.)
IATA: UN1911 (For reference only, please check.)
UN Proper Shipping Name
ADR/RID: DIBORANE (For reference only, please check.)
IMDG: DIBORANE (For reference only, please check.)
IATA: DIBORANE (For reference only, please check.)
Transport hazard class(es)
ADR/RID: 2.3 (For reference only, please check.)
IMDG: 2.3 (For reference only, please check.)
IATA: 2.3 (For reference only, please check.)
Packing group, if applicable
ADR/RID: (For reference only, please check.)
IMDG: (For reference only, please check.)
IATA: (For reference only, please check.)
Environmental hazards
ADR/RID: No
IMDG: No
IATA: No
Special precautions for user
no data available
Transport in bulk according to IMO instruments
no data available
SECTION 15: Regulatory information
Safety, health and environmental regulations specific for the product in question
SECTION 16: Other information
Abbreviations and acronyms
- CAS: Chemical Abstracts Service
- ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
- RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
- IMDG: International Maritime Dangerous Goods
- IATA: International Air Transportation Association
- TWA: Time Weighted Average
- STEL: Short term exposure limit
- LC50: Lethal Concentration 50%
- LD50: Lethal Dose 50%
- EC50: Effective Concentration 50%
References
- IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home
- HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
- IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/
- eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
- CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
- ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
- ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg
- Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
- ECHA - European Chemicals Agency, website: https://echa.europa.eu/
Other Information
The presence of contaminants may lower the auto-ignition temperature so that ignition may occur at or below room temperature.Reacts violently with fire extinguishing agents such as water.The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort.Rest and medical observation is therefore essential.The odour warning when the exposure limit value is exceeded is insufficient.Turn leaking cylinder with the leak up to prevent escape of gas in liquid state.