Pyrrole CAS:109-97-7
TDS
109-97-7
Industrail Grade
99%
SHANGHAI
Orient
25L, 200L, 1000L, customized
2025-12-26
pharmaceutical intermediates,peptides,electronic chemicals
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Product Description
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Seller Information
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DescriptionCertificatesBasic Info
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Product Name:
1H-Pyrrole
Other Name:1H-Pyrrole;Pyrrole;1-Aza-2,4-cyclopentadiene;Azole;Divinylenimine;Imidole;Monopyrrole;NSC 62777;21995-14-2;45361-50-0;1201695-24-0
CAS No.:109-97-7
Molecular Formula:C4H5N
InChIKeys:InChIKey=KAESVJOAVNADME-UHFFFAOYSA-N
Molecular Weight:67.091
Exact Mass:67.09
EC Number:203-724-7
UNII:86S1ZD6L2C
NSC Number:72470|62777
DSSTox ID:DTXSID5021910
Color/Form:Colorless liquid when fresh|Yellowish or brown oil
HScode:2933990090
Categories:
Characteristics-
PSA:
15.8
XLogP3:0.75
Appearance:Liquid
Density:0.9698 g/cm3 @ Temp: 20 °C
Melting Point:-23.4 °C
Boiling Point:129.7 °C
Flash Point:102 DEG F (39 DEG C) (CLOSED CUP)
Refractive Index:n 20/D 1.508(lit.)
Water Solubility:H2O: 45 mg/mL at 25 °C
Storage Conditions:0-6ºC
Vapor Pressure:8.7 hPa (20 °C)
Vapor Density:2.31 (Air= 1)
Toxicity:LD50 orally in Rabbit: 137 mg/kg
Explosive limit:3.10-14.8%(V)
Odor:Agreeable empyreumatic odor resembling that of chloroform
Taste:Burning, pungent taste
OH:1.10e-10 cm3/molecule*sec
Henrys Law Constant:1.80e-05 atm-m3/mole|Henry's Law constant = 1.80X10-5 atm-cu m/mol @ 25 °C
Dissociation Constants:pKa= 17.5|pKa = -3.80 (protonated form) (conjugate acid)
Experimental Properties:Polymerizes under influence of acids and glycols; soln in dil hydrogen chloride yield pyrrole red, an amorphous, orange-colored substance|Decomposes in acid; Conversion factors: 1 mg/l= 3.64 ppm; 1 ppm= 2.74 mg/cu m|Hydroxyl radical rate constant = 1.1X10-10 cu m/molc-sec @ 25 °C|Hygroscopic
Heat of Combustion:-2.2418X10+9 J/kmol
Heat of Vaporization:10.79 kcla/mol @ 25 °C
Critical Temperature & Pressure:Critical temperature: 366.75 °C; Critical pressure: 6.21X10+6 Pa
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Oral
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H302 Harmful if swallowed
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
Response P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
Storage none
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Trader
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Main Products:
pharmaceutical intermediates,peptides,electronic chemicals
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Location:
Room 102, 1st Floor, East Office Building, No. 45 Pengwan Road, Qianwan Bonded Port Area, Qingdao Zone, China (Shandong) Pilot Free Trade Zone
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Payment Terms:
100% TT in advance
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Average lead Time:
10
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Total Annual Revenue:
$10 million-$25 million
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Total Employees:
51-100
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Year of Establishment:
2024
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Country Product Purchase Quantity Date Posted Post an enquiry for this product
