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2-Thiouracil

Item number	677039
CAS	141-90-2
Formula	C4H4N2OS
Molecular weight	128,15 g/mol
Quantity	1X250MG
storage conditions	20 °C
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Safety Data Sheet	according to Regulation (EC) No 1907/2006 (REACH) Classifications according to Regulation (EC) No 1272/2008. Printdate 18.04.2024
IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING
Product name:	2-Thiouracil
Catalog No.:	677039
Relevant identified uses of the substance or mixture	Identified: Laboratory chemical uses: R&D
Uses advised against:	HPC Standards GmbH Am Wieseneck 7 04451 Cunnersdorf Deutschland Tel. +49 34291 3372-36 Fax. +49 34291 3372-39 contact@hpc-standards.com
Emergency telephone number	HPC Standards Tel. +49 34291 3372-36 This number is only available during office hours.
HAZARDS IDENTIFICATION	· 2.1 Classification of the substance or mixture · Classification according to Regulation (EC) No 1272/2008 Carc. 2 H351 Suspected of causing cancer
Label elements
Pictogram	GHS08 silhouete silhouete
	· 2.2 Label elements · Labelling according to Regulation (EC) No 1272/2008 The substance is classified and labelled according to the CLP regulation. · Signal word Warning · Hazard statements H351 Suspected of causing cancer. · Precautionary statements P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P280 Wear protective gloves/protective clothing/eye protection/face protection. P308+P313 IF exposed or concerned: Get medical advice/attention. P405 Store locked up. P501 Dispose of contents/container in accordance with local/regional/national/international regulations. · 2.3 Other hazards · Results of PBT and vPvB assessment · PBT: Not applicable. · vPvB: Not applicable.
COMPOSITION/INFORMATION ON INGREDIENTS	· 3.1 Chemical characterisation: Substances · CAS No. Description 141-90-2 thiouracil · Identification number(s) None · EC number: 205-508-8 · RTECS: YR1575000 · Additional information: For the wording of the listed hazard phrases refer to section 16.
Formula	C4H4N2OS
Molecular Weight (g/mol)	128.15
CAS-No.	141-90-2
FIRST AID MEASURES	· 4.1 Description of first aid measures · After inhalation: Supply fresh air; consult doctor in case of complaints. · After skin contact: Immediately wash with water and soap and rinse thoroughly. · After eye contact: Rinse opened eye for several minutes under running water. · After swallowing: Rinse mouth. Do not induce vomiting. · 4.2 Most important symptoms and effects, both acute and delayed No further relevant information available. · 4.3 Indication of any immediate medical attention and special treatment needed No further relevant information available.
FIRE-FIGHTING MEASURES	· 5.1 Extinguishing media · Suitable extinguishing agents: Use fire extinguishing methods suitable for surrounding conditions. · 5.2 Special hazards arising from the substance or mixture Formation of toxic gases is possible during heating or in case of fire. · 5.3 Advice for firefighters · Protective equipment: Wear self-contained respiratory protective device.
ACCIDENTAL RELEASE MEASURES	· 6.1 Personal precautions, protective equipment and emergency procedures Wear protective clothing. · 6.2 Environmental precautions: Do not allow to enter sewers/ surface or ground water. · 6.3 Methods and material for containment and cleaning up: Dispose of contaminated material as waste according to item 13. · 6.4 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.
HANDLING AND STORAGE	· 7.1 Precautions for safe handling Store in cool, dry place in tightly closed receptacles. Open and handle receptacle with care. · Information about fire - and explosion protection: Keep respiratory protective device available. · 7.2 Conditions for safe storage, including any incompatibilities · Storage: · Requirements to be met by storerooms and receptacles: Please refer to the manufacturers certificate for specific storage and transport temperature conditions. Store only in the original receptacle unless other advice is given on the CoA. Keep container in a well-ventilated place. Keep away from sources of ignition and heat. · Information about storage in one common storage facility: Store away from foodstuffs. · Further information about storage conditions: Keep container tightly sealed. · 7.3 Specific end use(s) No further relevant information available
EXPOSURE CONTROLS/PERSONAL PROTECTION	· Additional information about design of technical facilities: No further data; see item 7. · 8.1 Control parameters · Ingredients with limit values that require monitoring at the workplace: Not required. · Additional information: Lists used were valid at the time of SDS preparation. · 8.2 Exposure controls · 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. Store protective clothing separately. · Respiratory protection: Not required. · Protection of hands: The glove material has to be impermeable and resistant to the product/ the substance/ the preparation. Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradation The protective gloves to be used must comply with the specifications of EC Directive 89/686/EEC and the related standard EN374 · 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: Safety glasses
PHYSICAL AND CHEMICAL PROPERTIES	· 9.1 Information on basic physical and chemical properties · General Information · Appearance: Form: Powder Colour: White · Odour: Odourless · Odour threshold: Not determined. · pH-value: Not applicable. · Change in condition Melting point/freezing point: >300 °C Initial boiling point and boiling range: Not determined. · Flash point: Not applicable. · Flammability (solid, gas): Not determined. · Ignition temperature: Not determined · Decomposition temperature: Not determined. · Auto-ignition temperature: Not determined. · Explosive properties: Not determined. · Explosion limits: Lower: Not determined. Upper: Not determined. · Vapour pressure: Not applicable. · Density: Not determined. · Relative density Not determined. · Vapour density Not applicable. · Evaporation rate Not applicable. · Solubility in / Miscibility with water: Not determined. · Partition coefficient: n-octanol/water: Not determined. · Viscosity: Dynamic: Not applicable. Kinematic: Not applicable. · 9.2 Other information No further relevant information available.
STABILITY AND REACTIVITY	· 10.1 Reactivity Stable under normal conditions. · 10.2 Chemical stability Stable under normal conditions. · Thermal decomposition / conditions to be avoided: Formation of toxic gases is possible during heating or in case of fire. · 10.3 Possibility of hazardous reactions No dangerous reactions known. · 10.4 Conditions to avoid Heat. · 10.5 Incompatible materials: Strong oxidizing agents. · 10.6 Hazardous decomposition products: Formation of toxic gases is possible during heating or in case of fire.
TOXICOLOGICAL INFORMATION	· 11.1 Information on toxicological effects · Acute toxicity Based on available data, the classification criteria are not met. · LD/LC50 values relevant for classification: Oral LD50 2,850 mg/kg (mouse) · Primary irritant effect: · Skin corrosion/irritation Based on available data, the classification criteria are not met. · Serious eye damage/irritation Based on available data, the classification criteria are not met. · Respiratory or skin sensitisation Based on available data, the classification criteria are not met. · CMR effects (carcinogenity, mutagenicity and toxicity for reproduction) Carc. 2 · Germ cell mutagenicity Based on available data, the classification criteria are not met. · Carcinogenicity Suspected of causing cancer. · Reproductive toxicity Based on available data, the classification criteria are not met. · STOT-single exposure Based on available data, the classification criteria are not met. · STOT-repeated exposure Based on available data, the classification criteria are not met. · Aspiration hazard Based on available data, the classification criteria are not met.
ECOLOGICAL INFORMATION	· 12.1 Toxicity · Aquatic toxicity: No further relevant information available. · 12.2 Persistence and degradability No further relevant information available. · 12.3 Bioaccumulative potential No further relevant information available. · 12.4 Mobility in soil No further relevant information available. · Additional ecological information: · General notes: Water hazard class 1 (German Regulation) (Self-assessment): slightly hazardous for water Do not allow undiluted product to reach ground water, water course or sewage system. · 12.5 Results of PBT and vPvB assessment · PBT: Not applicable. · vPvB: Not applicable. · 12.6 Other adverse effects No further relevant information available.
DISPOSAL CONSIDERATIONS	· 13.1 Waste treatment methods · Recommendation Must not be disposed of together with household garbage. Do not allow product to reach sewage system. · European waste catalogue Waste disposal key numbers from EWC have to be assigned depending on origin and processing. · Uncleaned packaging: · Recommendation: Dispose of in accordance with national regulations.
TRANSPORT INFORMATION	· 14.1 UN-Number · ADR, ADN, IMDG, IATA Not applicable · ADR, ADN, IMDG, IATA Not applicable · 14.3 Transport hazard class(es) · ADR, ADN, IMDG, IATA · Class Not applicable · 14.4 Packing group · ADR, IMDG, IATA Not applicable · 14.5 Environmental hazards: Not applicable. · 14.6 Special precautions for user Not applicable. · 14.7 Transport in bulk according to Annex II of Marpol and the IBC Code Not applicable. · UN "Model Regulation": Not applicable
REGULATORY INFORMATION	· 15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture · Directive 2012/18/EU · Named dangerous substances - ANNEX I Substance is not listed. · 15.2 Chemical safety assessment: A Chemical Safety Assessment has not been carried out.
OTHER INFORMATION	The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. For lab use only!