4-(2-Pyridylazo)Resorcinol structure
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Common Name | 4-(2-Pyridylazo)Resorcinol | ||
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CAS Number | 1141-59-9 | Molecular Weight | 215.208 | |
Density | 1.3±0.1 g/cm3 | Boiling Point | 438.2±20.0 °C at 760 mmHg | |
Molecular Formula | C11H9N3O2 | Melting Point | 192-202 °C(lit.) | |
MSDS | Chinese USA | Flash Point | 218.8±21.8 °C | |
Symbol |
GHS07 |
Signal Word | Warning |
Use of 4-(2-Pyridylazo)ResorcinolPAR is an azo dye widely used as a colorimetric reagent for metal ions. PAR forms stable chelates with different metal ions. PAR can also complex with heavy metal ions in polar organic solvent like ethanol[1]. |
Name | 4-(2-pyridylazo)resorcinol |
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Synonym | More Synonyms |
Description | PAR is an azo dye widely used as a colorimetric reagent for metal ions. PAR forms stable chelates with different metal ions. PAR can also complex with heavy metal ions in polar organic solvent like ethanol[1]. |
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Related Catalog | |
References |
Density | 1.3±0.1 g/cm3 |
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Boiling Point | 438.2±20.0 °C at 760 mmHg |
Melting Point | 192-202 °C(lit.) |
Molecular Formula | C11H9N3O2 |
Molecular Weight | 215.208 |
Flash Point | 218.8±21.8 °C |
Exact Mass | 215.069473 |
PSA | 78.07000 |
LogP | 0.95 |
Vapour Pressure | 0.0±1.1 mmHg at 25°C |
Index of Refraction | 1.652 |
Synonym:PAR; 1,3-Benzenediol, 4-(2-Pyridinylazo)- Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
Risk Phrases: 36/37/38 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin. Potential Health Effects Eye: Causes eye irritation. May cause chemical conjunctivitis. Skin: Causes skin irritation. Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Inhalation: Causes respiratory tract irritation. Chronic: No information found. Section 4 - FIRST AID MEASURES Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Ingestion: Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Notes to Physician: Treat symptomatically and supportively. Section 5 - FIRE FIGHTING MEASURES General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or appropriate foam. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions. Provide ventilation. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Wash clothing before reuse. Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 1141-59-9: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Powder Color: orange Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 188 deg C Autoignition Temperature: Not applicable. Flash Point: Not applicable. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Specific Gravity/Density: Molecular Formula: C11H9N3O2 Molecular Weight: 215.21 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials, dust generation, excess heat. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 1141-59-9 unlisted. LD50/LC50: Not available. Carcinogenicity: 4-(2-Pyridylazo)Resorcinol - Not listed by ACGIH, IARC, or NTP. Section 12 - ECOLOGICAL INFORMATION Section 13 - DISPOSAL CONSIDERATIONS Dispose of in a manner consistent with federal, state, and local regulations. Section 14 - TRANSPORT INFORMATION IATA Shipping Name: Not regulated. Hazard Class: UN Number: Packing Group: IMO Shipping Name: Not regulated. Hazard Class: UN Number: Packing Group: RID/ADR Shipping Name: Not regulated. Hazard Class: UN Number: Packing group: Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: XI Risk Phrases: R 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: S 22 Do not breathe dust. S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. WGK (Water Danger/Protection) CAS# 1141-59-9: No information available. Canada CAS# 1141-59-9 is listed on Canada's NDSL List. CAS# 1141-59-9 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 1141-59-9 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION N/A |
Symbol |
GHS07 |
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Signal Word | Warning |
Hazard Statements | H315-H319-H335 |
Precautionary Statements | P261-P305 + P351 + P338 |
Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
Hazard Codes | Xi |
Risk Phrases | R36/37/38 |
Safety Phrases | S26-S36 |
RIDADR | NONH for all modes of transport |
WGK Germany | 3 |
HS Code | 2933399090 |
HS Code | 2933399090 |
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Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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PAR |
4-(2'-PYRIDYLAZO)-RESORCINOL FOR SYNTHESIS |
4-(2-pyridin-2-yldiazenyl)benzene-1,3-diol |
4-(2-PYRIDYLAZO)-RESORCIN |
4-[(E)-2-Pyridinyldiazenyl]-1,3-benzenediol |
4-[(E)-Pyridin-2-yldiazenyl]benzene-1,3-diol |
1,3-BENZENEDIOL,4-[2-(2-PYRIDINYL)DIAZENYL]- |
4-(Pyridin-2-yldiazenyl)benzene-1,3-diol |
4-(2-PYRIDYLAZO) RESORCINOL |
ParIndicatorGr |
4-(2-pyridyldiazenyl)benzene-1,3-diol |
resorcinol, 4-(2-pyridylazo)- |
(2-PyridylAzo)Resorcinol |
P.A.R. Free Acid ACS |
1,3-Benzenediol, 4-[(E)-2-(2-pyridinyl)diazenyl]- |
4-[(E)-2-PYRIDYLAZO]BENZENE-1,3-DIOL |
4-(2-Pyridylazo)reso |
MFCD00006256 |
PAR,REAGENT,ACS |
1,3-Benzenediol, 4-(2-pyridinylazo)- |
4-(2'-PYRIDYLAZO)-RESORCINOL |
EINECS 214-528-6 |
PAR,Reagent |
4-(2-Pyridylazo)Resorcinol |