Chemical Safety Data Sheet MSDS / SDS
BROTIZOLAM
Revision Date:2026-05-31Revision Number:1
Product identifier
- Product name: BROTIZOLAM
- CBnumber: CB9696965
- CAS: 57801-81-7
- EINECS Number: 260-964-5
- Synonyms: BROTIZOLAM,Lendormin
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
- Address: Building 1, Huihuang International, Shangdi 10th Street, Haidian District, Beijing
- Telephone: 010-86108875
GHS Label elements, including precautionary statements
-
Symbol(GHS)
- Signal wordWarning
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P312 Call a POISON CENTER or doctor/physician if you feel unwell.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
P501 Dispose of contents/container to..…
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P281 Use personal protective equipment as required.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P405 Store locked up.
P501 Dispose of contents/container to..…
P201 Obtain special instructions before use.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P263 Avoid contact during pregnancy/while nursing.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P308+P313 IF exposed or concerned: Get medical advice/attention.
Hazard statements
H361 Suspected of damaging fertility or the unborn child
H362 May cause harm to breast-fed children
H336 May cause drowsiness or dizziness
Substance
- Product name: BROTIZOLAM
- Synonyms: BROTIZOLAM,Lendormin
- CAS: 57801-81-7
- EC number: 260-964-5
- MF: C15H10BrClN4S
- MW: 393.69
Description of first aid measures
After inhalation
Supply fresh air; consult doctor in case of complaints.
After skin contact
Generally the product does not irritate the skin.
After eye contact
Rinse opened eye for several minutes under running water.
After swallowing
If symptoms persist consult doctor.
Most important symptoms and effects, both acute and delayed
No further relevant information available.
Indication of any immediate medical attention and special treatment needed
No further relevant information available.
Extinguishing media
Suitable extinguishing agents
Use fire fighting measures that suit the environment.
A solid water stream may be inefficient.
A solid water stream may be inefficient.
Special hazards arising from the substance or mixture
No further relevant information available.
Advice for firefighters
Protective equipment
No special measures required.
Personal precautions, protective equipment and emergency procedures
Not required.
Environmental precautions
Do not allow to enter sewers/ surface or ground water.
Methods and material for containment and cleaning up
Dispose contaminated material as waste according to section 13.
Protective Action Criteria for Chemicals
PAC-1
Substance is not listed.
PAC-2
Substance is not listed.
PAC-3
Substance is not listed.
Reference to other sections
See Section 7 for information on safe handling.
See Section 8 for information on personal protection equipment.
See Section 13 for disposal information.
See Section 8 for information on personal protection equipment.
See Section 13 for disposal information.
Precautions for safe handling
No special precautions are necessary if used correctly.
Avoid breathing dust/fume/gas/mist/vapours/spray.
Avoid prolonged or repeated exposure.
Keep away from sources of ignition.
Take precautionary measures against static discharge.re.
Avoid breathing dust/fume/gas/mist/vapours/spray.
Avoid prolonged or repeated exposure.
Keep away from sources of ignition.
Take precautionary measures against static discharge.re.
Information about protection against explosions and fires
No special measures required.
Conditions for safe storage, including any incompatibilities
Storage
Store in accordance with information listed on the product insert.
Requirements to be met by storerooms and receptacles
No special requirements.
Information about storage in one common storage facility
Not required.
Further information about storage conditions
None.
Specific end use(s)
No further relevant information available.
Control parameters
Components with limit values that require monitoring at the workplace
Not required.
Additional information
The lists that were valid during the creation were used as basis.
Exposure controls
Appropriate engineering controls
No further data; see section 7.
Personal protective equipment
General protective and hygienic measures
Keep away from foodstuffs, beverages and feed.
Wash hands before breaks and at the end of work.
Wash hands before breaks and at the end of work.
Breathing equipment
Not required.
Protection of hands
The glove material has to be impermeable and resistant to the product/ the substance/ the preparation.
Due to missing tests no recommendation to the glove material can be given for the product/ the preparation/ the chemical mixture.
Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradation
Due to missing tests no recommendation to the glove material can be given for the product/ the preparation/ the chemical mixture.
Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradation
Material of gloves
The selection of the suitable gloves does not only depend on the material, but also on further marks of quality and varies from manufacturer to manufacturer.
Penetration time of glove material
The exact break through time has to be found out by the manufacturer of the protective gloves and has to be observed.
Eye protection
Not required.
Information on basic physicochemical properties
- KinematicNot applicable.
- SOLUBILITYDMF: 5 mg/ml; DMSO: 5 mg/ml; DMSO:PBS (pH 7.2) (1:1): 0.5 mg/ml; Methanol: 1 mg/ml
- DynamicNot applicable.
- Solubility in / Miscibility withPractically insoluble in water, sparingly soluble or slightly soluble in methanol, slightly soluble in ethanol (96 per cent).
- WaterNot determined.
- Partition coefficient (n-octanol/water)Not determined.
- Vapor PressureNot applicable.
- Density1.6265 (estimate)
- Relative Density1.6265 (estimate)
- Vapor DensityNot applicable.
- Particle characteristicsNot determined.
- FormSolid
- Ignition temperatureNot determined.
- Danger of explosionProduct does not present an explosion hazard.
- Evaporation RateNot applicable.
- pHNot applicable.
- Decomposition temperatureNot determined.
- Flash pointNot applicable.
- Explosion limitsLower: Not determined.
Upper: Not determined. - FlammabilityProduct is not flammable.
- Boiling point/Boiling range561.3±60.0 °C(Predicted)
- Melting point/Melting rangeUndetermined.
- Odor ThresholdNot determined.
- Molecular Weight393.7 g/mol
- Structural FormulaC15H10BrClN4S
- OdorCharacteristic
- ColorNot determined.
- Physical StateSolid
Reactivity
No further relevant information available.
Chemical stability
Thermal decomposition / conditions to be avoided
No decomposition if used according to specifications.
Possibility of hazardous reactions
No dangerous reactions known.
Conditions to avoid
No further relevant information available.
Incompatible materials
strong oxidizing agents
Hazardous decomposition products
No dangerous decomposition products known.
RTECS Number
XJ9095080
Information on toxicological effects
Acute toxicity
LD/LC50 values that are relevant for classification:
| Route | Endpoint | Value |
|---|---|---|
| Oral | LDLO | 3,456 mg/kg (rat) |
| Oral | LD50 | >10 g/kg (mouse) >2 g/kg (rabbit) |
| Oral | TDLO | 1,000 µg/kg (mouse) |
| Oral | LD | >2.5 mg/kg (monkey) |
| Intraperitoneal | LD50 | 920 mg/kg (mouse) |
| Intravenous | LD50 | >20 mg/kg (mouse) >20 mg/kg (rat) |
| Intraperitoneal | LD50 | >1 g/kg (rat) |
Primary irritant effect
on the skin
No irritant effect.
on the eye
No irritating effect.
Sensitization
No sensitizing effects known.
Additional toxicological information
Interactive effects
No interactive effects between components are known.
Carcinogenic categories
IARC (International Agency for Research on Cancer)
Substance is not listed.
NTP (National Toxicology Program)
Substance is not listed.
OSHA-Ca (Occupational Safety & Health Administration)
Substance is not listed.
Alternative sources for toxicological information
No non-standard sources for toxicological information where used.
Toxicity
Aquatic toxicity
No further relevant information available.
Persistence and degradability
No further relevant information available.
Bioaccumulative potential
No further relevant information available.
Mobility in soil
No further relevant information available.
Results of PBT and vPvB assessment
PBT
Not applicable.
vPvB
Not applicable.
PBT:
Not applicable.
vPvB:
Not applicable.
Other adverse effects
Additional ecological information
General notes
Water hazard class 1 (Self-assessment) slightly hazardous for water
Do not allow undiluted product or large quantities of it to reach ground water, water course or sewage system.
Do not allow undiluted product or large quantities of it to reach ground water, water course or sewage system.
Waste treatment methods
Recommendation
Must not be disposed of together with household garbage. Do not allow product to reach sewage system.
Uncleaned packagings
Recommendation
Disposal must be made according to official regulations.
UN-Number
DOT, IMDG, IATA not regulated
UN proper shipping name
DOT, IMDG, IATA not regulated
Transport hazard class(es)
DOT, ADN, IMDG, IATA
Class not regulated
Class not regulated
Packing group
DOT, IMDG, IATA not regulated
Environmental hazards
Not applicable.
Special precautions for user
Not applicable.
Transport in bulk according to Annex II of MARPOL73/78 and the IBC Code
MARPOL73/78 and the IBC Code Not applicable.
UN "Model Regulation"
not regulated
Safety, health and environmental regulations/legislation specific for the substance or mixture
No further relevant information available.
Sara
| Section 355 (extremely hazardous substances): | Substance is not listed. |
| Section 313 (Specific toxic chemical listings): | Substance is not listed. |
| TSCA (Toxic Substances Control Act): | Substance is not listed. |
| Hazardous Air Pollutants: | Substance is not listed. |
| Chemicals known to cause cancer: | Substance is not listed. |
| Chemicals known to cause reproductive toxicity for females: | Substance is not listed. |
| Chemicals known to cause reproductive toxicity for males: | Substance is not listed. |
| Chemicals known to cause developmental toxicity: | Substance is not listed. |
Carcinogenic categories
| EPA (Environmental Protection Agency): | Substance is not listed. |
TLV (Threshold Limit Value)
Substance is not listed.
NIOSH-Ca (National Institute for Occupational Safety and Health)
Substance is not listed.
Chemical safety assessment
A Chemical Safety Assessment has not been carried out.
Abbreviations and acronyms
IMDG: International Maritime Code for Dangerous Goods
DOT: US Department of Transportation
IATA: International Air Transport Association
EINECS: European Inventory of Existing Commercial Chemical Substances
CAS: Chemical Abstracts Service (division of the American Chemical Society)
NFPA: National Fire Protection Association (USA)
HMIS: Hazardous Materials Identification System (USA)
LC50: Lethal concentration, 50 percent
LD50: Lethal dose, 50 percent
PBT: Persistent, Bioaccumulative and Toxic vPvB: very Persistent and very Bioaccumulative
NIOSH: National Institute for Occupational Safety
OSHA: Occupational Safety & Health
TLV: Threshold Limit Value
PEL: Permissible Exposure Limit
REL: Recommended Exposure Limit
Reproductive toxicity 2: Reproductive toxicity – Category 2
Specific target organ toxicity (single exposure) 3: Specific target organ toxicity (single exposure) – Category 3
DOT: US Department of Transportation
IATA: International Air Transport Association
EINECS: European Inventory of Existing Commercial Chemical Substances
CAS: Chemical Abstracts Service (division of the American Chemical Society)
NFPA: National Fire Protection Association (USA)
HMIS: Hazardous Materials Identification System (USA)
LC50: Lethal concentration, 50 percent
LD50: Lethal dose, 50 percent
PBT: Persistent, Bioaccumulative and Toxic vPvB: very Persistent and very Bioaccumulative
NIOSH: National Institute for Occupational Safety
OSHA: Occupational Safety & Health
TLV: Threshold Limit Value
PEL: Permissible Exposure Limit
REL: Recommended Exposure Limit
Reproductive toxicity 2: Reproductive toxicity – Category 2
Specific target organ toxicity (single exposure) 3: Specific target organ toxicity (single exposure) – Category 3
Disclaimer:
The information in this MSDS is only applicable to the specified product, unless otherwise specified, it is not applicable to the mixture of this product and other substances. This MSDS only provides information on the safety of the product for those who have received the appropriate professional training for the user of the product. Users of this MSDS must make independent judgments on the applicability of this SDS. The authors of this MSDS will not be held responsible for any harm caused by the use of this MSDS.