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Triptolide (Cas:38748-32-2)

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May-31-24

Triptolide(CAS:38748-32-2)

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MOQ: Not Specified

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2 - Naphthol

$2.30K
MOQ: Not Specified
 
2-Naphthol Basic information
Chemical Properties Application Preparation
Product Name: 2-Naphthol
Synonyms: c.i.37500;c.i.azoiccouplingcomponent1;c.i.developer5;Developer A;Developer AMS;Developer BN;developera;developerams
CAS: 135-19-3
MF: C10H8O
MW: 144.17
EINECS: 205-182-7
Product Categories: Fluorescent;Naphthalene;pigments;alcohol;MICROCIDIN;Color Former & Related Compounds;Developer;Functional Materials;Intermediates;Aromatic Compounds;Alphabetical;Bioactive Small Molecules;Biochemicals and Reagents;Building Blocks;C9 to C20+;Cell Biology;Chemical Synthesis;Fluorescent Indicators and Probes;Fluorescent Probes;Labels;N;Organic Building Blocks;Oxygen Compounds;Particles and Stains;pH Sensitive Probes and Indicators;Phenols;Dyestuff Intermediates;Aromatics
Mol File: 135-19-3.mol


2-Naphthol Chemical Properties
Melting point 120-122 C(lit.)
Boiling point 285-286 C(lit.)
density 1,28 g/cm3
vapor density 4.97 (vs air)
vapor pressure 10 mm Hg ( 145.5 C)
refractive index 1.5762 (estimate)
Fp 153 C
storage temp. Refrigerator
solubility methanol: soluble1g/10 mL, clear, colorless to light yellow
pka 9.51(at 25C)
form Powder, Crystals or Granules
color White
PH Range Non& uorescence (8.5) to blue & uorescence (9.5)
Water Solubility 1 g/L (20 C)
�»max 226nm, 265nm, 275nm, 286nm, 320nm, 331nm
Merck 14,6384
BRN 742134
Stability: Stable. Combustible. Dust may form explosive mixture with air. Incompatible with strong oxidizing agents, phenol.
Major Application Display device, semiconductors, photoimaging materials, inks, toner, chalk, security paper, molding materials, tin plating method, rubber, adhesive, leather, detergent, hair dyes, antimitotic drug, anticancer agent, antiinflammatory agent, treatment of acne vulgaris (pimples) and other dermal ailments (rashes, scratches, blemishes, hair loss), disorders
InChIKey JWAZRIHNYRIHIV-UHFFFAOYSA-N
CAS DataBase Reference 135-19-3(CAS DataBase Reference)
NIST Chemistry Reference 2-Naphthalenol(135-19-3)
EPA Substance Registry System 2-Naphthalenol (135-19-3)

Safety Information
Hazard Codes Xn,N
Risk Statements 20/22-50
Safety Statements 24/25-61
RIDADR UN 3077 9/PG 3
WGK Germany 2
RTECS QL2975000
F 8
Autoignition Temperature 430 C
TSCA Yes
HazardClass 9
PackingGroup III
HS Code 29071590
Hazardous Substances Data 135-19-3(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 1960 mg/kg LD50 dermal Rabbit > 10000 mg/kg


2-Naphthol Usage And Synthesis

2-Naphthol Preparation Products And Raw materials
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2-Furoyl Chloride Cas No.: 527-69-5(1300-32-9

$17.56
MOQ: 1000kg  Kilograms
Sample Available
 
Use: It is used as an intermediate in the production of pesticides, ceftiofur and organic chemicals. It is mainly used in the synthesis of sulfadiazine drugs and the production of pesticides, fungicides and herbicides. It is also used in the production of new pesticides, such as dicofone, dicofone, kecaojin, etc .
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Aug-06-22
 
Name: 2-hydroxy-6-naphthoic acid
Alias: 2,6 acid; 2-naphthol-6-carboxylic acid; 6-hydroxy-2-naphthoic acid; 6-hydroxy-2-naphthoic acid
CAS NOï¼?16712-64-4
Molecular formula: c11h7o3
Molecular weight: 187.172

Product quality standard:
Appearance characte Light yellow powder
Content 99%
2-naphtholâ?¤0.10%
2,3-acidâ?¤0.10%
melting point243-245�°C
Loss on dryingâ?¤0.30%
heavy metalâ?¤20ppm

Application: used in medicine, liquid crystal, paint, etc.

Packing: 25kg / cardboard barrel, or according to customer requirements
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VERIFIED
Mar-26-25

Detergent Raw Material, A

$0.10 - $1 / Kilogram (EXW)
MOQ: 100  Kilograms
Sample Available
 
S.N CAS No. Item
1 63148-62-9 Silicone oil
2 77-92-9 Citric acid
3 9003-05-8 Polyacrylamide
4 7664-39-3 Hydrogen fluoride
5 9000-11-7 Carboxymethyl cellulose
6 7757-82-6 Sodium sulfate
7 68-04-2 Sodium citrate
8 7664-38-2 Phosphoric acid
9 1310-73-2 Sodium hydroxide
10 497-19-8 Sodium carbonate
11 139-33-3 EDTA disodium
12 67-63-0 Isopropanol
13 25322-68-3 Polyethylene Glycol
14 144-55-8 Sodium bicarbonate
15 4404-43-7 Fluorescent Brightener 28
16 7758-29-4 Sodium tripolyphosphate
17 7601-54-9 Trisodium phosphate
18 532-32-1 Sodium benzoate
19 5329-14-6 Sulfamic acid
20 142-91-6 Isopropyl palmitate
21 7782-99-2 Sulfurous Acid
22 9014-01-1 Subtilisin (Compound proteinase)
23 1344-09-8 Sodium silicate
24 6834-92-0 Sodium metasilicate
25 7720-78-7 Ferrous sulfate
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L-Isoleucine powder, CAS No.73-32-5, an isomer of L-Leucine, essential amino acid manufactured by fermentation from carbohydrate sources. No raw materials of animal origin are used in the production process. It is one of the branched chain amino acids (L-isoleucine, L-valine, and L-leucine).

As an experienced L-Isoleucine manufacturer and supplier, we has been supplying and exporting L-Isoleucine for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day.

L-Isoleucine Specification
ITEM STANDARD
Appearance White crystals or crystalline Powder
Specific rotation +38.6-+41.5
PH 5.5-7.0
Loss on drying â?¤0.3%
Heavy metals(Pb)20ppm
Content 98.5~101.0%
Iron(Fe) 20ppm
Arsenic(As2O3) 1ppm
Lead10ppm
Other Amino Acids Chromatographically not detectable
Residue on ignition (Sulfated) 0.2%
Organic Volatile impurities
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Ethyl Vanillin, Cas No.121-32-4

$15
MOQ: 1000  Kilograms
Sample Available
 
Ethyl Vanillin, CAS No.121-32-4, Chemical Formula C9H10O3, manufacturing process from chemical synthesis. Ethyl Vanillin is one of the important edible food flavors and fragrances and the raw material in food additive industry. It has full-bodied and lasting fragrance of Vanilla Beans and is 3-4 times as fragrant as Vanillin. Ethyl Vanillin is used in food, sweets, chocolate, candy, ice cream, drinks and cosmetics as fragrance fixative and additive.

As an experienced Ethyl Vanillin manufacturer and supplier, we has been supplying and exporting Ethyl Vanillin for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day.

Ethyl Vanillin food grade Specification
ITEM STANDARD
Appearance Fine white to slightly yellow crystal
Odor Characteristic of vanilla, stronger than vanilla
Solubility (25 ) 1 gram completely dissolves in 2ml 95% ethanol, and make clear solution
Purity (HPLC) 99%
Loss on Drying 0.5%
Melting Point () 76.0- 78.0
Arsenic (As) 3 mg/kg
Mercury (Hg) 1 mg/kg
Total Heavy Metals (as Pb) 10 mg/kg
Residue of Ignition 0.05%

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