Chemical Safety Data Sheet MSDS / SDS
Pyridat
Revision Date:2026-05-23Revision Number:1
Product identifier
- Product name: Pyridat
- CBnumber: CB5131848
- CAS: 55512-33-9
- EINECS Number: 259-686-7
- Synonyms: PYRIDATE,Pyridat
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
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash skin thouroughly after handling.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
Hazard statements
H302 Harmful if swallowed
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H410 Very toxic to aquatic life with long lasting effects
Substance
- Product name: Pyridat
- Synonyms: PYRIDATE,Pyridat
- CAS: 55512-33-9
- EC number: 259-686-7
- MF: C19H23ClN2O2S
- MW: 378.92
First Aid Measures
General adviceIf symptoms persist, call a physician.
Eye contact
| CAS No | Inhalation LC50 | |||||
|---|---|---|---|---|---|---|
| General advice | If symptoms p | ersist, call a ph | ysician. | |||
| Eye contact | Immediately fl | ush with plenty | of water. After | initial flushing, remove | any | contact le |
| continue flush | ing for at least | 15 minutes. Ke | ep eye wide open whil | e rins | ing. If sym | |
| persist, call a | physician. | |||||
| Skin Contact | Wash contam | inated clothing | before reuse. | Wash off immediately w | ith p | lenty of wa |
| irritation persi | sts, call a physi | cian. Wash off | immediately with soap | and | plenty of w | |
| Immediate me | dical attention | is not required. | Wash off immediately | with | soap and | |
| water while re | moving all con | taminated cloth | es and shoes. | |||
| Inhalation | Immediate me | dical attention | is not required | Move to fresh air in cas | e of | accidental |
| inhalation of v | apors If sympt | oms persist, cal | l a physician | |||
| Ingestion | Clean mouth | with water and | drink afterward | s plenty of water. Neve | r giv | e anything |
| to an unconsc | ious person. C | all a physician. | Do NOT induce vomiti | ng. | ||
| Self-protection of the first aider | Use personal | protective equi | pment as requi | red. |
Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Keep eye wide open while rinsing. If symptoms persist, call a physician.
Skin Contact
Wash contaminated clothing before reuse. Wash off immediately with plenty of water. If skin irritation persists, call a physician. Wash off immediately with soap and plenty of water.
Immediate medical attention is not required. Wash off immediately with soap and plenty of water while removing all contaminated clothes and shoes.
Inhalation
Immediate medical attention is not required. Wash off immediately with soap and plenty of water while removing all contaminated clothes and shoes.
Immediate medical attention is not required Move to fresh air in case of accidental inhalation of vapors If symptoms persist, call a physician
Ingestion
Clean mouth with water and drink afterwards plenty of water. Never give anything by mouth to an unconscious person. Call a physician. Do NOT induce vomiting.
Self-protection of the first aider
Use personal protective equipment as required.
Most important symptoms and effects, both acute and delayed
SymptomsNo information available.
Indication of any immediate medical attention and special treatment needed
Note to physiciansTreat symptomatically.
Suitable Extinguishing Media
Suitable Extinguishing MediaUse extinguishing measures that are appropriate to local circumstances and the surrounding environment.
Unsuitable Extinguishing Media
No information available.
Specific hazards arising from the chemical
Specific hazards arising from the chemicalNo information available.
Hazardous combustion products
Carbon oxides. Nitrogen oxides (NOx). Hydrogen sulfide.
Explosion data
Sensitivity to Mechanical ImpactNo information available.
Sensitivity to Static Discharge
No information available.
Protective equipment and precautions for firefighters
Protective equipment and precautions for firefightersAs in any fire, wear self contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full protective gear.
Personal precautions, protective equipment and emergency procedures
Personal precautionsUse personal protective equipment as required. Evacuate personnel to safe areas. Keep people away from and upwind of spill/leak.
Environmental precautions
Environmental precautionsSee Section 12 for additional Ecological Information. Prevent product from entering drains.
Should not be released into the environment. Do not flush into surface water or sanitary sewer system. Prevent further leakage or spillage if safe to do so.
Should not be released into the environment. Do not flush into surface water or sanitary sewer system. Prevent further leakage or spillage if safe to do so.
Methods and material for containment and cleaning up
Methods for containmentPrevent further leakage or spillage if safe to do so.
Methods for cleaning up
Use personal protective equipment as required. Take up mechanically, placing in appropriate containers for disposal. Clean contaminated surface thoroughly. Cover powde spill with plastic sheet or tarp to minimize spreading and keep powder dry. Avoid creating dust. Soak up with inert absorbent material. Dam up. Pick up and transfer to properly labeled containers. Sweep up and shovel into suitable containers for disposal. Afte cleaning, flush away traces with water. Take precautionary measures against static discharges.
Precautions for safe handling
Advice on safe handlingUse with local exhaust ventilation. Use personal protective equipment as required. Do not breathe dust/fume/gas/mist/vapors/spray.
Conditions for safe storage, including any incompatibilities
Storage ConditionsKeep containers tightly closed in a cool, well-ventilated place. Keep in properly labeled containers. Store at 4 °C.
Incompatible materials
None known based on information supplied.
Control parameters
Exposure GuidelinesThis product, as supplied, does not contain any hazardous materials with occupational exposure limits established by the region specific regulatory bodies.
Appropriate engineering controls
Engineering ControlsShowers
Eyewash stations
Ventilation systems
Eyewash stations
Ventilation systems
Individual protection measures, such as personal protective equipment
Eye/face protectionTight sealing safety goggles. Face protection shield.
Skin and Body Protection
Wear protective gloves and protective clothing.
Respiratory protection
If exposure limits are exceeded or irritation is experienced, NIOSH/MSHA approved respiratory protection should be worn. Positive-pressure supplied air respirators may be required for high airborne contaminant concentrations. Respiratory protection must be provided in accordance with current local regulations.
General Hygiene Considerations
When using do not eat, drink or smoke. Regular cleaning of equipment, work area and clothing is recommended.
Information on basic physicochemical properties
- Physical StateSolid
- AppearanceNo information available
- OdorNo information available
- pHNo information available
- Melting point/freezing pointNo information available
- Boiling pointbp0.1 220°
- Flash point100 °C CC (closed cup)
- Liquid Density1.16 g/cm3
- Evaporation rateNo information available
- Upper flammability limitsNo information available
- Lower flammability limitNo information available
- Vapor pressureNo information available
- Vapor densityNo information available
- Specific gravityNo information available
- Water solubilityNo information available
- Solubility in other solventsNo information available
- Partition coefficientNo information available
- Autoignition temperatureNo information available
- Decomposition temperatureNo information available
- Kinematic viscosityNo information available
- Explosive propertiesNo information available
- Oxidizing propertiesNo information available
- Density and/or relative densityd20 1.555
Reactivity
Not applicable
Chemical stability
Stable under recommended storage conditions.
Possibility of Hazardous Reactions
None under normal processing.
Hazardous polymerization
No information available.
Conditions to avoid
Extremes of temperature and direct sunlight.
Incompatible materials
Strong oxidizing agents.
Hazardous Decomposition Products
Carbon oxides. Nitrogen oxides (NOx). Hydrogen sulfide.
Information on likely routes of exposure
InhalationClassified based on available data. For more details, see section 2.
Eye contact
Classified based on available data. For more details, see section 2.
Skin Contact
Classified based on available data. For more details, see section 2.
Ingestion
Classified based on available data. For more details, see section 2.
Information on toxicological effects
SymptomsClassified based on available data. For more details, see section 2.
Delayed and immediate effects as well as chronic effects from short and long-term exposure
Chronic ToxicityAvoid repeated exposure.
Numerical measures of toxicity - Product Information
Unknown acute toxicityClassified based on available data. For more details, see section 2
The following values are calculated based on chapter 3.1 of the GHS document
ATEmix (oral)
The following values are calculated based on chapter 3.1 of the GHS document
1431 mg/kg
ATEmix (dermal)
3400 mg/kg
Ecotoxicity
| Chemical name | Algae/aquatic plants | Fish | Toxicity to Microorganisms | Crustacea |
|---|---|---|---|---|
| Pyridat 55512-33-9 | 4.93: 96 h Pseudokirchneriella subcapitata mg/L EC50 82: 96 h Desmodesmus subspicatus mg/L EC50 | 140: 96 h Lepomis macrochirus mg/L LC50 flow-through 20: 96 h Oncorhynchus mykiss mg/L LC50 flow-through 1.2: 96 h Oncorhynchus mykiss mg/L LC50 semi-static 1.2: 96 h Oncorhynchus mykiss mg/L LC50 static 61.1: 96 h Cyprinus carpio mg/L LC50 static 2.1: 96 h Lepomis macrochirus mg/L LC50 static 2: 96 h Lepomis macrochirus mg/L LC50 semi-static | - | 1.02 - 1.15: 48 h Daphnia magna mg/L EC50 Static 0.83: 48 h Daphnia magna mg/L EC50 |
Pyridat 4.93: 96 h 140: 96 h Lepomis
- 1.02 - 1.15: 48 h Daphnia
Oncorhynchus mykiss mg/L
LC50 semi
static 1.2: 96 h
semi
static
0% of the mixture consists of components(s) of unknown hazards to the aquatic environment.
0% of the mixture consists of components(s) of unknown hazards to the aquatic environment.
Persistence and degradability No information available. Bioaccumulation No information available. Mobility No information available.
Pyridat
4.01 55512-33-9
Disposal of wastes
Disposal should be in accordance with applicable regional, national and local laws and regulations. Should not be released into the environment.
Contaminated packaging
Do not reuse container.
DOT
UN/ID noUN3077
Hazard Class
9
Packing Group
III
Environmentally hazardous substance, solid, n.o.s.
UN3077, Environmentally hazardous substance, solid, n.o.s. (Pyridat), 9, III, Marine pollutant
Emergency Response Guide Number
Environmentally hazardous substance, solid, n.o.s.
UN3077, Environmentally hazardous substance, solid, n.o.s. (Pyridat), 9, III, Marine pollutant
171
IMDG
UN/ID noUN3077
Hazard Class
9
Packing Group
III
Environmentally hazardous substance, solid, n.o.s.
UN3077, Environmentally hazardous substance, solid, n.o.s. (Pyridat), 9, III, Marine pollutant
Special Provisions
Environmentally hazardous substance, solid, n.o.s.
UN3077, Environmentally hazardous substance, solid, n.o.s. (Pyridat), 9, III, Marine pollutant
274, 335, 966, 967, 969
EmS-No
F-A, S-F
IATA
UN/ID noUN3077
Hazard Class
9
Packing Group
III
Environmentally hazardous substance, solid, n.o.s.
UN3077, Environmentally hazardous substance, solid, n.o.s. (Pyridat), 9, III
ERG Code
Environmentally hazardous substance, solid, n.o.s.
UN3077, Environmentally hazardous substance, solid, n.o.s. (Pyridat), 9, III
9L
International Inventories
All of the components in the product are on the following Inventory lists
Europe (EINECS/ELINCS/NLP)
X - Listed
TSCA - United States Toxic Substances Control Act Section 8(b) Inventory
DSL/NDSL - Canadian Domestic Substances List/Non-Domestic Substances List
EINECS/ELINCS - European Inventory of Existing Chemical Substances/European List of Notified Chemical Substances
ENCS - Japan Existing and New Chemical Substances
IECSC - China Inventory of Existing Chemical Substances
KECL - Korean Existing and Evaluated Chemical Substances
PICCS - Philippines Inventory of Chemicals and Chemical Substances
Europe (EINECS/ELINCS/NLP)
X - Listed
TSCA - United States Toxic Substances Control Act Section 8(b) Inventory
DSL/NDSL - Canadian Domestic Substances List/Non-Domestic Substances List
EINECS/ELINCS - European Inventory of Existing Chemical Substances/European List of Notified Chemical Substances
ENCS - Japan Existing and New Chemical Substances
IECSC - China Inventory of Existing Chemical Substances
KECL - Korean Existing and Evaluated Chemical Substances
PICCS - Philippines Inventory of Chemicals and Chemical Substances
| Chemical name | TSCA | DSL | NDSL | EINECS | ELINCS | ENCS | IECSC | KECL | PICCS | AICS |
|---|---|---|---|---|---|---|---|---|---|---|
| Pyridat | - | - | - | X | - | - | - | - | - | - |
US Federal Regulations
SARA 313
Section 313 of Title III of the Superfund Amendments and Reauthorization Act of 1986 (SARA). This product does not contain any chemicals which are subject to the reporting requirements of the Act and Title 40 of the Code of Federal Regulations, Part 372.
SARA 311/312 Hazard Categories
Acute health hazardYes
Chronic Health Hazard
No
Fire hazard
No
Sudden release of pressure hazard
No
Reactive hazard
No
CWA (Clean Water Act)
This product does not contain any substances regulated as pollutants pursuant to the Clean Water Act (40 CFR 122.21 and 40
CFR 122.42).
CFR 122.42).
US State Regulations
California Proposition 65
This product does not contain any Proposition 65 chemicals.
U.S. State Right-to-Know Regulations
This product does not contain any substances regulated by state right-to-know regulations
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.