100% Natural Supplements Green Tea Extract 95% 98% EGCG Powder Cas 989-51-5 Staherb factory bulk supply
5 Inquiries
989-51-5
Food grade
98%
Shanghai
Staherb
1kg/aluminium foil bag; 25kg/Cardboard Drum
2024-05-09
plant extract,Fruit powder,herb extract,Carnosic acid,Chamomile P.E.,1-Deoxynojirimycin
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Product Description
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Seller Information
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Inquiry History
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DescriptionBasic Info
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Product Name:
Epigallocatechin gallate
Other Name:Benzoic acid,3,4,5-trihydroxy-,(2R,3R)-3,4-dihydro-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-2H-1-benzopyran-3-yl ester;Epigallocatechol,3-gallate,(-)-;Benzoic acid,3,4,5-trihydroxy-,3,4-dihydro-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-2H-1-benzopyran-3-yl ester,(2R-cis)-;Epigallocatechol,3-gallate;Epigallocatechol,gallate;Gallic acid,3-ester with epigallocatechol,(-)-;(-)-Epigallocatechin gallate;(-)-Epigallocatechol gallate;(-)-Epigallocatechin 3-gallate;Epigallocatechin gallate;Epigallocatechin 3-gallate;3-O-Galloyl-(-)-epigallocatechin;(-)-Epigallocatechin 3-O-gallate;L-Epigallocatechin gallate;epi-Gallocatechin 3-O-gallate;(-)-epi-Gallocatechin 3-O-gallate;NVP-XAA 723;Epigallocatechin 3-O-gallate;Epigallocatechin-3-monogallate;Teavigo;PF-EGCg 90;EGCG;epi-Gallocatechin gallate;Theliokeep;Teafuran 90S;EGCg-OP;863-65-0;435276-52-1
CAS No.:989-51-5
Molecular Formula:C22H18O11
InChIKeys:InChIKey=WMBWREPUVVBILR-WIYYLYMNSA-N
Molecular Weight:458.37
Exact Mass:458.37
EC Number:479-560-7
UNII:BQM438CTEL
DSSTox ID:DTXSID1029889|DTXSID6020567|DTXSID0031398
NCI Thesaurus Code:C1088
HScode:29339900
Categories:
Characteristics-
PSA:
197
XLogP3:1.2
Appearance:Solid
Density:1.90±0.1 g/cm3(Predicted)
Melting Point:217 °C
Boiling Point:909.1°C at 760 mmHg
Flash Point:320ºC
Refractive Index:1.857
Water Solubility:soluble in ethanol, dimethyl formamide, water.H2O: ≥5mg/mL, clear
Storage Conditions:2-8°C
Toxicity:LD50 oral in mouse: 2170mg/kg
Specific rotation:D -185 ±2°(ethanol)
Collision Cross Section:206.1 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Oral
Skin sensitization, Category 1
Eye irritation, Category 2
Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 2
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
H319 Causes serious eye irritation
H411 Toxic 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.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P391 Collect spillage.
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:
Manufactory
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Main Products:
plant extract,Fruit powder,herb extract,Carnosic acid,Chamomile P.E.,1-Deoxynojirimycin
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Location:
No.186,Lugu Valley Garden Road, High-tech Development Zone, Changsha , Hunan, P.R. China
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Payment Terms:
TT against copy of documents,L/C
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Average lead Time:
120
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Total Annual Revenue:
$2.5 million-$5 million
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Total Employees:
11-50
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Year of Establishment:
2010
Changsha Staherb Natural Ingredients Co., Ltd., a good supplier of professional herb extracts, especially those with high purity and standardized production process. Our company devotes to supply high quality products and services to customers in R&D and production fields of health products, cosmetics, feed additives and biopesticides.
With cordial and professional R&D, sales and after-sales service groups, Staherb has potent capabilities both in R&D and production. The company persists in high investment on R&D of active ingredients of plants and promotes innovation on demands of customers. Upon constant R&D and tracing of new technologies and new products, Staherb makes effective cooperation with famous research institutes, such as CAS Kunming Institute of Botany, State Key Lab of Hunan Forest Products and Chemical Engineering, Hunan Agricultural University and so on.
Now the main products of Staherb are standardized high purity plant extracts, including Epimedium (10-98%), Euccomia Bark Extract (5-95%), Amygdalin (50-98%), Ursolic acid (25-98%) and Corosolic acid (1-98%). In order to meet customers’ research needs, our company also provides over 600 plant extracts, most of which are high-purity monomer plant compounds and reference substance. And some products can be supplied with milligram-scale, kilogram-scale or even to ton-scale. In addition, based upon the powerful R&D capability, Staherb can provide both products customization services and R&D outsourcing services according to customers’ specific requirements, so that to meet their continual innovation needs in the fields of natural products’ discovery and production.
Staherb endeavors to accelerate the response rate of supply chain as well as improve the service superiority upon customers’ continual innovation needs. It also devotions to establish good partnerships with customers and to construct a safe development model which is forward-looking, reciprocal and coexisting, thus to create long-term value for customers through division and cooperation as well as complementation. -
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Inquiry History5 Inquiries
Country Product Purchase Quantity Date Posted 
Singapore
High Purity 99% (-)-Epigallocatechin gallate CAS 989-51-5 with Fast Delivery EGCG
1 MT Aug 14, 2023 
Netherlands
EGCG powder 989-51-5 99% powder
100 G Aug 22, 2023 
Chile
EGCG 98% power 989-51-5 JC
5 KG Aug 5, 2023
Netherlands
Epigallocatechin gallate
100 G Aug 22, 2023 
United States
Epigallocatechin Gallate
1 KG May 8, 2026 Post an enquiry for this product
