Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
Product identifier
- Product name: Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
- CBnumber: CB9458631
- CAS: 75980-60-8
- EINECS Number: 278-355-8
- Synonyms: Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide,photoinitiator tpo
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
GHS Label elements, including precautionary statements
-
Symbol(GHS)
- Signal wordWarning
Substance
- Product name: Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
- Synonyms: Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide,photoinitiator tpo
- CAS: 75980-60-8
- EC number: 278-355-8
- MF: C22H21O2P
- MW: 348.37
Description of first aid measures
General adviceMost important symptoms and effects, both acute and delayed
Indication of any immediate medical attention and special treatment needed
Extinguishing media
Suitable extinguishing mediaSpecial hazards arising from the substance or mixture
Carbon oxides Oxides of phosphorus Combustible.
Development of hazardous combustion gases or vapours possible in the event of fire.
Advice for firefighters
Stay in danger area only with self-contained breathing apparatus. Prevent skin contact by keeping a safe distance or by wearing suitable protective clothing.
Further information
Suppress (knock down) gases/vapors/mists with a water spray jet. Prevent fire extinguishing water from contaminating surface water or the ground water system.
Personal precautions, protective equipment and emergency procedures
Advice for non-emergency personnel: Avoid inhalation of dusts. Avoid substance contact. Ensure adequate ventilation. Evacuate the danger area, observe emergency procedures, consult an expert.
For personal protection see section 8.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
Cover drains. Collect, bind, and pump off spills. Observe possible material restrictions (see sections 7 and 10). Take up dry. Dispose of properly. Clean up affected area. Avoid generation of dusts.
Reference to other sections
For disposal see section 13.
Precautions for safe handling
For precautions see section 2.2.
Conditions for safe storage, including any incompatibilities
Storage conditions
Tightly closed. Dry.
Light sensitive.
Specific end use(s)
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated
control parameter
Hazard composition and occupational exposure limitsExposure controls
Personal protective equipmentUse equipment for eye protection tested and approved under appropriate
government standards such as NIOSH (US) or EN 166(EU). Safety glasses
protective clothing
required when dusts are generated.
Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system.
Recommended Filter type: Filter type P3
The entrepeneur has to ensure that maintenance, cleaning and testing of respiratory protective devices are carried out according to the instructions of the producer.
These measures have to be properly documented.
Do not let product enter drains.
Information on basic physicochemical properties
- Appearance solid
- Odourweak characteristic odour
- Odour ThresholdDo not attempt to smell the product as it is hazardous. d) pH 6,4 - 6,9 at 20 °C Melting point/freezing point Initial boiling point and boiling range Melting point/range: 88 - 92 °C - lit. No data available Flash point Not applicableNot applicable Evaporation rate No data available Flammability (solid, gas) Upper/lower flammability or explosive limits No data available No data available Vapour pressure< 0,01 hPa at 25 °C Vapour density No data available Relative density 1,218 at 20 °C - OECD Test Guideline 109 Water solubility ca.0,011 g/l at 20 °C - OECD Test Guideline 105 Partition coefficient: n-octanol/water Autoignition temperature Decomposition temperature log Pow: 3,1 at 23 °C - Bioaccumulation is not expected. does not ignite No data available Viscosity Viscosity, kinematic: No data available Viscosity, dynamic: No data available Explosive properties No data available Oxidizing properties No data available
- Melting point/freezing pointMelting point/range: 88 - 92 °C - lit.
- Initial boiling point and boiling range88-92 °C(lit.)
- Flash pointNot applicableNot applicable
- Evaporation rate>230 °F
- Flammability (solid, gas)No data available
- Upper/lower flammability or explosive limitsNo data available
- Vapour pressure< 0,01 hPa at 25 °C
- Vapour density No data available
- Relative density1,218 at 20 °C - OECD Test Guideline 109
- Water solubilityca.0,011 g/l at 20 °C - OECD Test Guideline 105
- Partition coefficient: n-octanol/waterlog Pow: 3,1 at 23 °C - Bioaccumulation is not expected.
- Autoignition temperaturedoes not ignite
- Decomposition temperatureNo data available
- ViscosityViscosity, kinematic: No data available Viscosity, dynamic: No data available
- Explosive propertiesNo data available
- Oxidizing propertiesNo data available
- λmax400nm(DMF)(lit.)
Other safety information
No data available
Reactivity
The following applies in general to flammable organic substances and mixtures: in correspondingly fine distribution, when whirled up a dust explosion potential may generally be assumed.
Chemical stability
The product is chemically stable under standard ambient conditions (room temperature) .
Possibility of hazardous reactions
No data available
Conditions to avoid
no information available
Incompatible materials
Strong oxidizing agents
Hazardous decomposition products
In the event of fire: see section 5
Information on toxicological effects
Acute toxicityInhalation
LD50 Dermal Dermal - Rat - male and female - > 2.000 mg/kg (OECD Test Guideline 402)
Result: No skin irritation - 24 h Remarks: (ECHA)
Result: No eye irritation (Draize Test)
Method: OECD Test Guideline 473 Result: negative
Test Type: In vitro mammalian cell gene mutation test Metabolic activation: with and without metabolic activation Method: OECD Test Guideline 476
Result: negative
Test Type: Ames test
Test system: Escherichia coli/Salmonella typhimurium Metabolic activation: with and without metabolic activation Method: OECD Test Guideline 471
Result: negative
Toxicity
Remarks: (ECHA)
static test EC50 - Daphnia magna (Water flea) - 3,53 mg/l - 48 h (OECD Test Guideline 202)
(OECD Test Guideline 201)
static test EC50 - Pseudokirchneriella subcapitata (green algae) - > 2,01 mg/l - 72 h
(OECD Test Guideline 201)
Remarks: (above the solubility limit in the test medium)
Persistence and degradability
Biodegradability aerobic - Exposure time 28 d
Result: 0 - 10 % - Not readily biodegradable. (OECD Test Guideline 301F)
Bioaccumulative potential
Bioaccumulation Cyprinus carpio (Carp) - 56 d
at 25 °C(Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide)
Bioconcentration factor (BCF): 23 - 55 Remarks: (External MSDS)
Mobility in soil
No data available
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
No data available
Waste treatment methods
Product
See www.retrologistik.com for processes regarding the return of chemicals and
containers, or contact us there if you have further questions.
UN number
ADR/RID: 3077 IMDG: 3077 IATA: 3077
UN proper shipping name
ADR/RID: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Diphenyl(2,4,6-
trimethylbenzoyl)phosphine oxide)
IMDG: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Diphenyl(2,4,6-
trimethylbenzoyl)phosphine oxide)
| 14.3 | IATA: Environmentally hazardous substance, solid, n.o.s. trimethylbenzoyl)phosphine oxide) Transport hazard class(es) | (Diphenyl(2,4,6- |
| | ADR/RID: 9 IMDG: 9 | IATA: 9 |
| 14.4 | Packaging group ADR/RID: III IMDG: III | IATA: III |
| 14.5 | Environmental hazards ADR/RID: yes IMDG Marine pollutant: yes | IATA: yes |
| 14.6 | Special precautions for user | |
| | 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.Packages smaller than or equal to 5 kg / L , not dangerous goods of Class 9
Safety, health and environmental regulations/legislation specific for the substance or mixture
Regulations on the Safety Management of Hazardous ChemicalsAbbreviations 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/
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.