2-(Ethylsulfonyl)-Imidazo-[1, 2-A]-Pyridine

Applications: widely used as ink and paint catalyst, catalyst of synthetic fatty acid, manganese compound, electrolytic manganese metal and manganese oxide, dye, printing, paper making, ceramics, painting, medicine industry etc.
Package: 25 kg plastic woven bag with two plastic bags inside.
Storage: stored in cool, dry and ventilated place, keep from sunshine.

Sulfosulfuron
Molecular formula: c16h18n6o7s2
Molecular weight: 470.4801
Cas no.: 141776-32-1
Product specification:
Appearance: white powder
Assay: ¡y98.0%
Residue after ignition: ¡§q0.03%
Loss on drying: ¡§q0.03
Applications: sulfonylurea herbicide
Package: 25 kg cardboard drum with two plastic bags inside.
Storage: stored in cool, dry and ventilated place, keep from sunshine.

Hydroquinone(photographic grade)
Molecular formula: 1, 4-c6h4(oh)2
Molecular weight: 110.12

Applications: widely used in photograph, dyes, rubber, pesticide, chemistry, pharmaceutical, polymer polymerization inhibitor, desulfurization in fertilizers, urea synergist, antioxidant, chemical analytical reagent etc.
Package: 25 kg kraft paper bag with two plastic bags inside.
Storage: stored in cool, dry and ventilated place, keep from sunshine.

Manganese carbonate
Molecular formula: mnco3
s of manganese production, raw material of magnetic telecommunication equipment, coloring of porcelain glaze, varnish dryer, fertilizer, fodder additives, phosphating of steel, catalyst of petroleum desulfuration, soil improvement etc.
Package: 25 kg plastic woven bag with two plastic bags inside.
Storage: stored in cool, dry and ventilated place, keep from sunshine.
Transportation: keep from rain, sunshine and avoid hook directly.

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

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