Factory Supply Hot Selling Coumarin CAS: 91-64-5 CAS No. 91-64-5
ISO 9 Inquiries
91-64-5
0%
100g;1kg;25g
2022-12-31
Agrochemicals,Daily Chemicals,Catalysts & Chemical Auxiliary Agents,Extract,Inorganic Chemicals,Organic Intermediate
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Product Description
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Seller Information
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Inquiry History
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Description
Product description:Used in the manufacture of flavors and soapsMelting point 68-73 °C (lit.) Boiling point 298 °C (lit.) density 0.935 vapor pressure 0.01 mm Hg ( 47 °C) refractive index 1.5100 (estimate) Fp 162 °C storage temp. Store below +30°C. solubility 1.7g/l form Crystals or Crystalline Powder color White 
Packing
· 1kg/aluminium foil bag, with two plastic bags inside.
· 25kg/fiber drum, with two plastic bags inside.
Size:ID 42cm*H52cm,0.08m3/drum;
Net Weight:25kgs Gross Weight:28kgs.
Delivery- ≤50kg, Express delivery recommended, usually called as DDU service;
- ≤500kg,Air shipping recommended, usually called as CIF service;
- >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;
- For high value products, please select air shipping and express delivery for safety.
SHANDONG LOOK CHEMICAL CO.LTD, a new chemical enterprise in researching, manufacturing and supplying of chemicals located in beautiful "Spring City"-Jinan.Our company mainly working on the researching new-born APIs, intermediate ( especially Carbohydrate derivatives series). Meanwhile, we made huge breakthrough in industries of food, feed additives, cosmetics ,dye and industrial chemicals. Our company enjoyed great reputation both domestic and abroad under the belief of "Integrity management,Quality controlling and Customer orientation".
We had been cooperated with NingXia University and Shandong University on more than ten projects for years and which had been in mass production on the market. We now have more than 80 people in our team and built research center in Jinan and Ningxia. Our manufacturing site allocated in chemical industry parks of Zhangqiu, Heze, Dezhou and Ningxia Fine Chemical Park. We strictly complying with ISO9001 and ISO 2000 standard in manufacturing process, our lab and workshop tightly in accordance with GMP standard.Our products best selling in Europe, South and North America,Asia pacific area and Africa. We sincerely welcome new and regular customers around the world visit us for business negotiation.
FAQ- DO YOU ACCEPT SAMPLE ORDER?
We accept sample orders. We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
2.HOW TO CONFIRM THE PRODUCT QUALITY BEFORE PLACING ORDERS?
You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
3.WHAT'S YOUR MOQ?
Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
4.DO YOU SUPPLY PRODUCT REPORT?
Yes. We'll give you product analysis report before shipping.
5.IS THERE A DISCOUNT?
Different quantity has different discount.
Our Advantage
10 Years Experience
Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term.
Quality service
Company cooperates with research institutes. We strictly control the process of raw materials up to finished product.
24 hour serviceQuick and clear response to customers questions. Warm after sale service, we will help to solve the problems in your usage.
High quality
Dedicated to serving customers first, we provide reasonable prices, high quality products.CertificatesBasic 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:
Manufactory
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Main Products:
Agrochemicals,Daily Chemicals,Catalysts & Chemical Auxiliary Agents,Extract,Inorganic Chemicals,Organic Intermediate
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Location:
hisense intelligence valley,no 2116,of phoenix road
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Payment Terms:
TT against copy of documents,D/P,L/C
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Average lead Time:
7
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Total Annual Revenue:
Less than $1 million
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Total Employees:
11-50
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Year of Establishment:
2017
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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 
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