Chemical Safety Data Sheet MSDS / SDS
H-TYR(TBU)-OTBU HCL
Revision Date:2026-03-21Revision Number:1
Product identifier
- Product name: H-TYR(TBU)-OTBU HCL
- CBnumber: CB4295912
- CAS: 17083-23-7
- Synonyms: H-L-Tyr(tBu)-OtBu*HCl;Tyr(tBu)-OtBu.HCl
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
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P264 Wash skin thouroughly after handling.
Hazard statements
H319 Causes serious eye irritation
H315 Causes skin irritation
Substance
- Product name: H-TYR(TBU)-OTBU HCL
- Synonyms: H-L-Tyr(tBu)-OtBu*HCl;Tyr(tBu)-OtBu.HCl
- CAS: 17083-23-7
- MF: C17H28ClNO3
- MW: 329.86
4.1 Description of first-aid measures
If inhaledIf breathed in, move person into fresh air. If not breathing give artificial respiration
In case of skin contact
Wash off with soap and plenty of water.
In case of eye contact
Flush eyes with water as a precaution.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water.
4.2 Most important symptoms and effects, both acute and delayed
The most important known symptoms and effects are described in the labelling (see section 2) and/or in section 11
4.3 Indication of any immediate medical attention and special treatment needed
No data available
5.1 Extinguishing media
Suitable extinguishing mediaUse water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
5.2 Special hazards arising from the substance or mixture
Carbon oxides, Nitrogen oxides (NOx), Hydrogen chloride gas
5.3 Advice for firefighters
Wear self-contained breathing apparatus for firefighting if necessary.
5.4 Further information
No data available
6.1 Personal precautions, protective equipment and emergency procedures
Avoid dust formation.
For personal protection see section 8.
For personal protection see section 8.
6.2 Environmental precautions
Do not let product enter drains.
6.3 Methods and materials for containment and cleaning up
Sweep up and shovel. Keep in suitable, closed containers for disposal.
6.4 Reference to other sections
For disposal see section 13.
7.1 Precautions for safe handling
Provide appropriate exhaust ventilation at places where dust is formed.Normal measures for preventive fire protection.
For precautions see section 2.2.
For precautions see section 2.2.
7.2 Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Recommended storage temperature -20 °C
Recommended storage temperature -20 °C
7.3 Specific end use(s)
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated
8.1 Control parameters
Ingredients with workplace control parameters8.2 Exposure controls
Appropriate engineering controlsGeneral industrial hygiene practice.
Personal protective equipment
Eye/face protection
Safety glasses
Skin protection
For prolonged or repeated contact use protective gloves.
Respiratory protection
Respiratory protection is not required. Where protection from nuisance levels of dusts are desired, use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).
Control of environmental exposure
Do not let product enter drains.
Information on basic physicochemical properties
- a) AppearanceForm: solid
- b) OdorNo data available
- c) Odor ThresholdNo data available
- d) pHNo data available
- e) Melting point/freezing pointNo data available
- f) Initial boiling point and boiling rangeNo data available
- g) Flash pointNo data available
- h) Evaporation rateNo data available
- i) Flammability (solid, gas)No data available
- j) Upper/lower flammability or explosive limitsNo data available
- k) Vapor pressureNo data available
- l) Vapor densityNo data available
- m) Relative densityNo data available
- n) Water solubilityNo data available
- o) Partition coefficient n-octanol/waterNo data available
- p) Autoignition temperatureNo data available
- q) Decomposition temperatureNo data available
- r) ViscosityNo data available
- s) Explosive propertiesNo data available
- t) Oxidizing propertiesNo data available
- Physical statepowder
9.2 Other safety information
No data available
10.1 Reactivity
No data available
10.2 Chemical stability
Stable under recommended storage conditions.
10.3 Possibility of hazardous reactions
No data available
10.4 Conditions to avoid
No data available
10.5 Incompatible materials
No data available
10.6 Hazardous decomposition products
Hazardous decomposition products formed under fire conditions. - Carbon oxides, Nitrogen oxides (NOx), Hydrogen chloride gas
In the event of fire: see section 5
In the event of fire: see section 5
11.1 Information on toxicological effects
Acute toxicityClassified based on available data. For more details, see section 2
Skin corrosion/irritation
Classified based on available data. For more details, see section 2
Serious eye damage/eye irritation
Classified based on available data. For more details, see section 2
Respiratory or skin sensitization
Classified based on available data. For more details, see section 2
Germ cell mutagenicity
Classified based on available data. For more details, see section 2
Carcinogenicity
IARC: No ingredient of this product present at levels greater than or equal to 0.1% is identified as probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity
Classified based on available data. For more details, see section 2
Specific target organ toxicity - single exposure
Classified based on available data. For more details, see section 2
Specific target organ toxicity - repeated exposure
Classified based on available data. For more details, see section 2
Aspiration hazard
Classified based on available data. For more details, see section 2
Additional Information
RTECS: Not available
To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated.
To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated.
12.1 Toxicity
No data available
12.2 Persistence and degradability
No data available
12.3 Bioaccumulative potential
No data available
12.4 Mobility in soil
No data available
12.5 Results of PBT and vPvB assessment
PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
12.6 Other adverse effects
No data available
13.1 Waste treatment methods
Product
Observe all federal, state, and local environmental regulations.
Contaminated packaging
Observe all federal, state, and local environmental regulations.
Dispose of as unused product.
14.1 UN number
ADR/RID: -
IMDG: -
IATA: -
IMDG: -
IATA: -
14.2 UN proper shipping name
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA: Not dangerous goods
IMDG: Not dangerous goods
IATA: Not dangerous goods
14.3 Transport hazard class(es)
ADR/RID: -
IMDG: -
IATA: -
IMDG: -
IATA: -
14.4 Packaging group
ADR/RID: -
IMDG: -
IATA: -
IMDG: -
IATA: -
14.5 Environmental hazards
ADR/RID: no
IMDG Marine pollutant: no
IATA: no
IMDG Marine pollutant: no
IATA: no
14.6 Special precautions for user
No data available
15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture
This material safety data sheet complies with the requirements of Regulation (EC) No.
1907/2006.
Convention on the prohibition of the : Neither banned nor restricted development, production, stockpiling and use of chemical weapons and on their destruction (schedule 1).
Restrictions on the marketing and use of certain : Neither banned nor restricted dangerous substances
Regulation (EC) No 649/2012 of the European : Neither banned nor restricted
Parliament and the Council concerning the export and import of dangerous chemicals
1907/2006.
Convention on the prohibition of the : Neither banned nor restricted development, production, stockpiling and use of chemical weapons and on their destruction (schedule 1).
Restrictions on the marketing and use of certain : Neither banned nor restricted dangerous substances
Regulation (EC) No 649/2012 of the European : Neither banned nor restricted
Parliament and the Council concerning the export and import of dangerous chemicals
15.2 Chemical Safety Assessment
For this product a chemical safety assessment was not carried out
Abbreviations and acronyms
CAS: Chemical Abstracts Service
TWA: Time-Weighted Average
STEL: Short-Term Exposure Limit
LD50: Lethal Dose 50%
LC50: Lethal Concentration 50%
EC50: Effective Concentration 50%
PEL: Permissible Exposure Limit
TLV: Threshold Limit Value
IMDG: International Maritime Dangerous Goods Code
IATA: International Air Transport Association
ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
DOT: US Department of Transportation
NFPA: National Fire Protection Association
NIOSH: National Institute for Occupational Safety and Health
OSHA: Occupational Safety and Health Administration
TWA: Time-Weighted Average
STEL: Short-Term Exposure Limit
LD50: Lethal Dose 50%
LC50: Lethal Concentration 50%
EC50: Effective Concentration 50%
PEL: Permissible Exposure Limit
TLV: Threshold Limit Value
IMDG: International Maritime Dangerous Goods Code
IATA: International Air Transport Association
ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
DOT: US Department of Transportation
NFPA: National Fire Protection Association
NIOSH: National Institute for Occupational Safety and Health
OSHA: Occupational Safety and Health Administration
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.
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