Professional Manufacturer Supply High Qulity Coumarin(COUMARINE) CAS 91-64-5
9 Inquiries
91-64-5
Industrial Grade
99%
Worldwide
BURKE HOLDINGS BV (PTY) LTD
Bags /Custom
2025-06-07
organic chemicals,industrial chemical,agricultural chemicals,water treatment chemicals
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Product Description
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial ReferenceCoumarin is the primary bioactive ingredient in Radix Glehniae, named Beishashen in China, which possesses many pharmacological activities, including anticancer, anti-inflammation and antivirus activities.
Coumarin (2H-chromen-2-one) is a fragrant organic chemical compound in the benzopyrone chemical class, which is a colorless crystalline substance in its standard state. It is a natural substance found in many plants.
Coumarin appears as colorless crystals, flakes or colorless to white powder with a pleasant fragrant vanilla odor and a bitter aromatic burning taste. (NTP, 1992)|DryPowder; Liquid; PelletsLargeCrystals|Solid|COLOURLESS FLAKES WITH CHARACTERISTIC ODOUR.
Coumarin appears as colorless crystals, flakes or colorless to white powder with a pleasant fragrant vanilla odor and a bitter aromatic burning taste. (NTP, 1992)|Coumarin is a chromenone having the keto group located at the 2-position. It has a role as a fluorescent dye, a plant metabolite and a human metabolite.|Coumarin is o hydroxycinnamic acid. Pleasant smelling compound found in many plants and released on wilting. Has anticoagulant activity by competing with Vitamin K.Basic Info-
Product Name:
Coumarin
Other Name:2H-1-Benzopyran-2-one;Coumarin;1,2-Benzopyrone;cis-o-Coumarinic acid lactone;Coumarinic anhydride;o-Hydroxycinnamic acid lactone;Tonka bean camphor;2-Propenoic acid,3-(2-hydroxyphenyl)-,δ-lactone;Benzo-α-pyrone;Rattex;5,6-Benzo-2-pyrone;NSC 8774;2-Chromenone;2H-Chromen-2-one;2H-Benzopyran-2-one;Lympedim
CAS No.:91-64-5
Molecular Formula:C9H6O2
InChIKeys:InChIKey=ZYGHJZDHTFUPRJ-UHFFFAOYSA-N
Molecular Weight:146.145
Exact Mass:146.14
EC Number:202-086-7
UNII:A4VZ22K1WT
ICSC Number:1105
NSC Number:755852|8774
UN Number:2811
DSSTox ID:DTXSID7020348
NCI Thesaurus Code:C397
Color/Form:Orthorhombic, rectangular plates|Colorless, crystals, flakes, or powder|White crystals
HScode:2932999099
Categories:
Characteristics-
PSA:
26.3
XLogP3:1.4
Appearance:Coumarin appears as colorless crystals, flakes or colorless to white powder with a pleasant fragrant vanilla odor and a bitter aromatic burning taste. (NTP, 1992)
Density:0.935 g/cm3 @ Temp: 20 °C
Melting Point:71 °C
Boiling Point:301.71 °C
Flash Point:150°C
Refractive Index:1.595
Water Solubility:H2O: 1.7 g/L (20 ºC);Solubility in water: poor
Storage Conditions:Refrigerator
Vapor Pressure:Vapour pressure, kPa at 106°C: 0.13
Toxicity:LD50 orally in rats, guinea pigs: 680, 202 mg/kg (Jenner)
Odor:Pleasant, fragrant odor resembling that of vanilla beans.
Taste:Bitter undertone; nut-like flavor on dilution
Collision Cross Section:122.2 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]
Experimental Properties:1 g dissolves in 400 ml cold, 50 ml boiling water|The lactone is easily hydrolyzed to the corresponding salts of coumarinic acid or o-hydroxy-cis-cinnamic acid.
Air and Water Reactions:Insoluble in water.
Reactive Group:Esters, Sulfate Esters, Phosphate Esters, Thiophosphate Esters, and Borate Esters
Reactivity Profile:COUMARIN is sensitive to exposure to light. It is also sensitive to heat. This chemical is incompatible with strong acids, strong bases and oxidizers. It is hydrolyzed by hot concentrated alkalis. It can be halogenated, nitrated and hydrogenated (in the presence of catalysts). (NTP, 1992)
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Oral
Skin sensitization, Category 1
Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 3
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H302 Harmful if swallowed
H317 May cause an allergic skin reaction
H412 Harmful to aquatic life with long lasting effects
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P272 Contaminated work clothing should not be allowed out of the workplace.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P273 Avoid release to the environment.
Response P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
P302+P352 IF ON SKIN: Wash with plenty of water/...
P333+P317 If skin irritation or rash occurs: Get medical help.
P321 Specific treatment (see ... on this label).
P362+P364 Take off contaminated clothing and wash it before reuse.
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
NO open flames. 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
Separated from food and feedstuffs.
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Seller Information
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Business Type:
Distributor
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Main Products:
organic chemicals,industrial chemical,agricultural chemicals,water treatment chemicals
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Location:
299 PENDORING OFFICE PARK CRESTA RANDBURG BLACKHEATH JOHANNESBURG GAUTENG 2194
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Payment Terms:
TT against copy of documents,L/C,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
1
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Total Annual Revenue:
$2.5 million-$5 million
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Total Employees:
201-300
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Year of Establishment:
2024
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Inquiry History9 Inquiries
Country Product Purchase Quantity Date Posted 
Indonesia
China Factory Supply Coumarin / O-HYDROXYCINNAMIC ACID LACTONE / TONKA BEAN CAMPHOR CAS 91-64-5
1 MT Nov 7, 2023 
Singapore
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1 MT Nov 15, 2024
Singapore
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