Chemical Safety Data Sheet MSDS / SDS

THIOUREA-D4

Revision Date:2026-03-21Revision Number:1

SECTION 1: Identification of the substance/mixture and of the company/undertaking

Product identifier

  • Product name: THIOUREA-D4
  • CBnumber: CB6744333
  • CAS: 17370-85-3
  • Synonyms: Thiourea-d<sub>4</sub>;THIOUREA-D4, 98 ATOM % D

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

SECTION 2: Hazards identification

GHS Label elements, including precautionary statements

  • Symbol(GHS)
  • Signal wordWarning
Precautionary statements
P308+P313 IF exposed or concerned: Get medical advice/attention.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P273 Avoid release to the environment.
P270 Do not eat, drink or smoke when using this product.
P264 Wash skin thouroughly after handling.
P202 Do not handle until all safety precautions have been read and understood.
Hazard statements
H411 Toxic to aquatic life with long lasting effects
H361 Suspected of damaging fertility or the unborn child
H351 Suspected of causing cancer
H302 Harmful if swallowed

SECTION 3: Composition/information on ingredients

Substance

  • Product name: THIOUREA-D4
  • Synonyms: Thiourea-d<sub>4</sub>;THIOUREA-D4, 98 ATOM % D
  • CAS: 17370-85-3
  • MF: CD4N2S
  • MW: 80.15

SECTION 4: First aid measures

4.1 Description of first-aid measures

No data available

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

4.4 Notes to physician

No data available

SECTION 5: Firefighting measures

5.1 Extinguishing media

No data available

5.2 Special hazards arising from the substance or mixture

Carbon oxides
Nitrogen oxides (NOx)
Sulfur oxides
Combustible.

5.3 Advice for firefighters

No data available

SECTION 6: Accidental release measures

6.1 Personal precautions, protective equipment and emergency procedures

For personal protection see section 8.

6.2 Environmental precautions

No data available

6.3 Methods and materials for containment and cleaning up

No data available

6.4 Reference to other sections

For disposal see section 13.

SECTION 7: Handling and storage

7.1 Precautions for safe handling

For precautions see section 2.2.

7.2 Conditions for safe storage, including any incompatibilities

No data available

SECTION 8: Exposure controls/personal protection

8.1 Control parameters

Ingredients with workplace control parameters
Contains no substances with occupational exposure limit values.

8.2 Exposure controls

No data available

SECTION 9: Physical and chemical properties

Information on basic physicochemical properties

  • a) Physical stateFine crystals and fragments
  • b) Colorwhite
  • c) OdorNo data available
  • d) Melting point/freezing pointMelting point/ range: 170 - 176 °C - lit.
  • e) Initial boiling point and boiling rangeNo data available
  • f) Flammability (solid, gas)No data available
  • g) Upper/lower flammability or explosive limitsNo data available
  • h) Flash pointNo data available
  • i) Autoignition temperatureNo data available
  • j) Decomposition temperatureNo data available
  • k) pHNo data available
  • l) ViscosityViscosity, kinematic: No data available
    Viscosity, dynamic: No data available
  • m) Water solubilityNo data available
  • n) Partition coefficient n-octanol/waterlog Pow: 5.0
  • o) Vapor pressureNo data available
  • p) DensityNo data available
  • Relative densityNo data available
  • q) Relative vapor densityNo data available
  • r) Particle characteristicsNo data available
  • s) Explosive propertiesNo data available
  • t) Oxidizing propertiesNo data available

9.2 Other safety information

No data available

SECTION 10: Stability and reactivity

10.1 Chemical stability

Stable

10.2 Possibility of hazardous reactions

No data available

10.3 Conditions to avoid

No data available

10.4 Incompatible materials

No data available

10.5 Hazardous decomposition products

In the event of fire: see section 5

SECTION 11: Toxicological information

11.1 Information on toxicological effects

Acute toxicity
LD50 Oral - Rat - female - 2,000 - 2,500 mg/kg (OECD Test Guideline 423)
Remarks: The value is given in analogy to the following substances: Thiourea
LC50 Inhalation - Rat - male and female - 4 h - > 195 mg/l - dust/mist (OECD Test Guideline 403)
Remarks: The value is given in analogy to the following substances: Thiourea
LD50 Dermal - Rabbit - male and female - > 2,800 mg/kg (OECD Test Guideline 402)
Remarks: The value is given in analogy to the following substances: Thiourea
Skin corrosion/irritation
Skin - Rabbit
Result: No skin irritation - 24 h (OECD Test Guideline 404)
Remarks: The value is given in analogy to the following substances: Thiourea
Serious eye damage/eye irritation
Eyes - Rabbit
Result: No eye irritation (OECD Test Guideline 405)
Remarks: The value is given in analogy to the following substances: Thiourea
Respiratory or skin sensitization
Maximization Test - Guinea pig
Result: negative (OECD Test Guideline 406)
Remarks: The value is given in analogy to the following substances: Thiourea
Germ cell mutagenicity
Classified based on available data. For more details, see section 2
Carcinogenicity
Suspected of causing cancer.
Reproductive toxicity
Suspected of damaging the unborn child.
Suspected of damaging fertility.
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

11.2 Additional Information

Repeated dose toxicity - Mouse - male and female - Oral - 2 yr - NOAEL (No observed adverse effect level) - 6.88 mg/kg - LOAEL (Lowest observed adverse effect level) - 27.5 mg/kg
Remarks: (ECHA)
The value is given in analogy to the following substances: Thiourea
To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated.
Liver - Irregularities - Based on Human Evidence
Liver - Irregularities - Based on Human Evidence

SECTION 12: Ecological information

12.1 Toxicity

Toxicity to fish static test LC50 - Pimephales promelas (fathead minnow) - > 600 mg/l - 96 h
Remarks: (ECHA)
The value is given in analogy to the following substances: Thiourea
Toxicity to daphnia EC50 - Daphnia magna (Water flea) - 5.6 - 18.0 mg/l - 48 h and other aquatic Remarks: (ECOTOX Database) invertebrates The value is given in analogy to the following substances: Thiourea
Toxicity to algae EC50 - Desmodesmus subspicatus (green algae) - 6.8 mg/l - 96 h
Remarks: (External MSDS)
The value is given in analogy to the following substances: Thiourea
Toxicity to bacteria EC10 - Pseudomonas putida - 1,265 mg/l - 18 h
Remarks: (IUCLID)
The value is given in analogy to the following substances: Thiourea

12.2 Persistence and degradability

Biodegradability aerobic - Exposure time 34 d
Result: 0 % - Not readily biodegradable.
(OECD Test Guideline 301C)
Remarks: The value is given in analogy to the following substances:
Thiourea
Biochemical Oxygen 13 mg/g
Demand (BOD) Remarks: (IUCLID)

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 Endocrine disrupting properties

No data available
12.7 Other adverse effects

SECTION 13: Disposal considerations

13.1 Waste treatment methods

No data available

SECTION 14: Transport information

14.1 UN number

ADR/RID: 3077
IMDG: 3077
IATA-DGR: 3077

14.2 UN proper shipping name

ADR/RID: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Thiourea-d4)
IMDG: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Thiourea-d4)
IATA-DGR: Environmentally hazardous substance, solid, n.o.s. (Thiourea-d4)

14.3 Transport hazard class(es)

ADR/RID: 9
IMDG: 9
IATA-DGR: 9

14.4 Packaging group

ADR/RID: III
IMDG: III
IATA-DGR: III

14.5 Environmental hazards

ADR/RID: yes
IMDG Marine pollutant: yes
IATA-DGR: yes

14.6 Special precautions for user

14.7 Incompatible materials

Further information: EHS-Mark required (ADR 2.2.9.1.10, IMDG code 2.10.3) for single packagings and combination packagings containing inner packagings with Dangerous Goods > 5L for liquids or > 5kg for solids.

SECTION 15: Regulatory information

15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture

National regulatory information
Regulations on Safety Management of Hazardous Chemicals
Catalogue of Hazardous Chemicals : Listed
Measures on the Environmental Administration of New Chemical Substances Registration
Registration/Notification number : B1A222232948
Downstream users need to comply with the conditions of safe use of the chemical, understand the environmental and health hazard and risk management measures identified on the SDS as well as the local/national regulations concerning the chemical.
Other regulations
Please pay attention on the waste treatment should also comply with local regulations requirement.

SECTION 16: Other information

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
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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