Chemical Safety Data Sheet MSDS / SDS

1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone

Revision Date:2023-12-02Revision Number:1

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

Product identifier

  • Product name: 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
  • CBnumber: CB4675240
  • CAS: 7226-23-5
  • EINECS Number: 230-625-6
  • Synonyms: dmpu,1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone

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: 400-158-6606

SECTION 2: Hazards identification

GHS Label elements, including precautionary statements

  • Symbol(GHS)
  • Signal wordDanger
Precautionary statements
P201 Obtain special instructions before use.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.
P501 Dispose of contents/container to..…
Hazard statements
H302 Harmful if swallowed
H361 Suspected of damaging fertility or the unborn child
H319 Causes serious eye irritation
H318 Causes serious eye damage
H317 May cause an allergic skin reaction
H315 Causes skin irritation

SECTION 3: Composition/information on ingredients

Substance

  • Product name: 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
  • Synonyms: dmpu,1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
  • CAS: 7226-23-5
  • EC number: 230-625-6
  • MF: C6H12N2O
  • MW: 128.17

SECTION 4: First aid measures

Description of first aid measures

General advice
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contact
Wash off with soap and plenty of water. Consult a physician.
In case of eye contact
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

Most important symptoms and effects, both acute and delayed

The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in section 11

Indication of any immediate medical attention and special treatment needed

No data available

SECTION 5: Firefighting measures

Extinguishing media

Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.

Special hazards arising from the substance or mixture

Carbon oxides, Nitrogen oxides (NOx) Combustible.

Advice for firefighters

Wear self-contained breathing apparatus for firefighting if necessary.

Further information

No data available

NFPA 704

2
1
1
HEALTH 2 Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury (e.g. diethyl ether, ammonium phosphate, iodine)
FIRE 1 Materials that require considerable preheating, under all ambient temperature conditions, before ignition and combustion can occur. Includes some finely divided suspended solids that do not require heating before ignition can occur. Flash point at or above 93.3 °C (200 °F). (e.g. mineral oil, ammonia)
REACT 1 Normally stable, but can become unstable at elevated temperatures and pressures (e.g. propene)
SPEC. HAZ.

SECTION 6: Accidental release measures

Personal precautions, protective equipment and emergency procedures

Use personal protective equipment. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas.

For personal protection see section 8.

Environmental precautions

Prevent further leakage or spillage if safe to do so. Do not let product enter drains.

Methods and materials for containment and cleaning up

Soak up with inert absorbent material and dispose of as hazardous waste. Keep in suitable, closed containers for disposal.

Reference to other sections

For disposal see section 13.

SECTION 7: Handling and storage

Precautions for safe handling

Avoid contact with skin and eyes. Avoid inhalation of vapour or mist. For precautions see section 2.2.

Conditions for safe storage, including any incompatibilities

Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Store in cool place.

Store under inert gas.

Specific end use(s)

Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection

control parameter

Hazard composition and occupational exposure limits
Does not contain substances with occupational exposure limits.

Exposure controls

Appropriate engineering controls

Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.

Personal protective equipment
Eye/face protection

Tightly fitting safety goggles. Faceshield (8-inch minimum). Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).

Skin protection

Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands.

The selected protective gloves have to satisfy the specifications of Regulation (EU) 2016/425 and the standard EN 374 derived from it.

Splash contact Material: butyl-rubber

Minimum layer thickness: 0,3 mm Break through time: 240 min

Material tested:Butoject? (KCL 897 / Aldrich Z677647, Size M)

data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300, e-mail sales@kcl.de, test method: EN374

If used in solution, or mixed with other substances, and under conditions which differ from EN 374, contact the supplier of the CE approved gloves. This recommendation is advisory only and must be evaluated by an industrial hygienist and safety officer familiar with the specific situation of anticipated use by our customers. It should not be construed as offering an approval for any specific use scenario.

Body Protection

Complete suit protecting against chemicals, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.

Respiratory protection

Where risk assessment shows air-purifying respirators are appropriate use a full- face respirator with multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backup to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air respirator. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).

Control of environmental exposure

Prevent further leakage or spillage if safe to do so. Do not let product enter drains.

SECTION 9: Physical and chemical properties

Information on basic physicochemical properties

  • Appearance liquid
  • OdourNo data available
  • Odour ThresholdNo data available
  • pH11 (100g/l, H2O, 20℃)
  • Melting point/freezing point-20 °C
  • Initial boiling point and boiling range 146 °C at 59 hPa
  • Flash point121 °C - DIN 51758
  • Evaporation rateNo data available
  • Flammability (solid, gas)No data available
  • Upper/lower flammability or explosive limits Upper explosion limit: 9,3 %(V) Lower explosion limit: 1,6 %(V)
  • Vapour pressure0.5 hPa (57 °C)
  • Vapour densityNo data available
  • Relative density1,06 g/mL at 25 °C
  • Water solubilityNo data available
  • Partition coefficient: n-octanol/waterNo data available
  • Autoignition temperatureNo data available
  • Decomposition temperatureNo data available
  • ViscosityNo data available
  • Explosive propertiesNo data available
  • Oxidizing propertiesNo data available

Other safety information

No data available

SECTION 10: Stability and reactivity

Reactivity

No data available

Chemical stability

Stable under recommended storage conditions.

Possibility of hazardous reactions

No data available

Conditions to avoid

No data available

Incompatible materials

No data available

Hazardous decomposition products

Hazardous decomposition products formed under fire conditions. - Carbon oxides, Nitrogen oxides (NOx)

Other decomposition products - No data available In the event of fire: see section 5

SECTION 11: Toxicological information

Information on toxicological effects

Acute toxicity
LD50 Oral - Rat - 1.770 mg/kg
(OECD Test Guideline 401) absorption
Skin corrosion/irritation
Skin - Rabbit
Result: No skin irritation (OECD Test Guideline 404)
Serious eye damage/eye irritation Respiratory or skin sensitisation Germ cell mutagenicity
Mutagenicity (mammal cell test):
Result: negative (External MSDS) Ames test Result: negative (Lit.)
Carcinogenicity
IARC: No component 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
Suspected of damaging fertility.
Specific target organ toxicity - single exposure
Acute oral toxicity - Irritations of mucous membranes in the mouth, pharynx, oesophagus and gastrointestinal tract.
Acute inhalation toxicity - Possible damages:, mucosal irritations
Specific target organ toxicity - repeated exposure Aspiration hazard
Additional Information
RTECS: UW7582500
To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated.
Handle in accordance with good industrial hygiene and safety practice.
Toxicity
LD50 orally in Rabbit: 1770 mg/kg

SECTION 12: Ecological information

Toxicity

Toxicity to fish
LC50 - Leuciscus idus (Golden orfe) - 1.000 - 2.200 mg/l - 96 h Remarks: (External MSDS)

Toxicity to bacteria

Persistence and degradability

Biodegradability Result: < 10 % - Not readily biodegradable.

(OECD Test Guideline 301E)

Biochemical Oxygen Demand (BOD)

< 2 mg/g

Remarks: (External MSDS)

Bioaccumulative potential

Mobility in soil

Results of PBT and vPvB assessment

This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.

Other adverse effects

Additional ecological information

Discharge into the environment must be avoided.

SECTION 13: Disposal considerations

Waste treatment methods

Product

Offer surplus and non-recyclable solutions to a licensed disposal company. Waste material must be disposed of in accordance with the Directive on waste 2008/98/EC as well as other national and local regulations. Leave chemicals in original containers. No mixing with other waste. Handle uncleaned containers like the product itself.

Contaminated packaging

Dispose of as unused product.

SECTION 14: Transport information

UN number

ADR/RID: - IMDG: - IATA: -

UN proper shipping name

ADR/RID: Not dangerous goods IMDG: Not dangerous goods IATA: Not dangerous goods

Transport hazard class(es)

ADR/RID: - IMDG: - IATA: -

Packaging group

ADR/RID: - IMDG: - IATA: -

Environmental hazards

ADR/RID: no IMDG Marine pollutant: no IATA: no

Special precautions for user

No data available

SECTION 15: Regulatory information

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

Regulations on the Safety Management of Hazardous Chemicals
China Catalog of Hazardous chemicals 2015:Not Listed. website: https://www.mem.gov.cn/
Measures for Environmental Management of New Chemical Substances
New Zealand Inventory of Chemicals (NZIoC):Listed. website: https://www.epa.govt.nz/
Philippines Inventory of Chemicals and Chemical Substances (PICCS):Listed. website: https://emb.gov.ph/
United States Toxic Substances Control Act (TSCA) Inventory:Listed. website: https://www.epa.gov/
Vietnam National Chemical Inventory:Listed. website: https://chemicaldata.gov.vn/
Chinese Chemical Inventory of Existing Chemical Substances (China IECSC):Not Listed. website: https://www.mee.gov.cn/
Korea Existing Chemicals List (KECL):Not Listed. website: http://ncis.nier.go.kr
European Inventory of Existing Commercial Chemical Substances (EINECS):Listed. website: https://echa.europa.eu/
EC Inventory:Listed.

SECTION 16: Other information

Abbreviations and acronyms

  • ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
  • CAS: Chemical Abstracts Service
  • EC50: Effective Concentration 50%
  • IATA: International Air Transportation Association
  • IMDG: International Maritime Dangerous Goods
  • LC50: Lethal Concentration 50%
  • LD50: Lethal Dose 50%
  • RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
  • STEL: Short term exposure limit
  • TWA: Time Weighted Average

References

【1】CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple

【2】ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp

【3】ECHA - European Chemicals Agency, website: https://echa.europa.eu/

【4】eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en

【5】ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg

【6】Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp

【7】HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm

【8】IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/

【9】IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home

【10】Sigma-Aldrich, website: https://www.sigmaaldrich.com/

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.

Recommended Products
N,N-Dimethylformamide SDS 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone SDS Propyleneurea SDS Dimethyl fumarate SDS N,N-Dimethyldodecylamine SDS Dimethyl sebacate SDS Dimethyl sulfoxide SDS N,N-Dimethylacetamide SDS Dimethyl carbonate SDS 1,3-Dimethylbarbituric acid SDS