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Changshan County Hongyun Chemical Co., Ltd.

Supplier From China
Apr-13-12
Supplier : Pharmaceutical, agrochemical and dyestuffs intermediates

Established: 2000

Verification Status



Contact Details:
No.1 Zhengshen Road, Eco-Industrial Park
District, Changshan County
Quzhou 324200
Zhejiang China


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More Items Similiar to: Changshan County Hongyun Chemical Co., Ltd.

Apr-13-12
 
Product description:
Chemical Name:3,4-Dichloroaniline
Molecular formula:C6H5CL2N
Molecular Weight: 160.0
CAS NO.: 95-76-1
Physical properties: the product is white niddle crystal, alcohol , ether soluble, benzene slightly soluble, water insoluble.

Specification:
Proportion 99%
Melting point 70
Moisture: 0.5%
Use: It can be used for pesticide and dye intermediates.


Package: Bags with plastic film inside net weight 40kg.
Apr-13-12
 
Name: 3,4-Dichloro Nitribenzene
English name: 3,4-Dichloro Nitrobenzene
Structure formula:

Molecular formula: C6H3CL2NO2
Molecular Weight: 192.00
CAS NO.: 99-54-7
Physical properties: The product is Lightly yellow crystal
Specification: Proportion: 99%
Melting point: 39.5
Moisture: 0.8%
Use: It can be used for Pesticide and dye intermediates.
Package: net weight : 250kg/iron roller barrel.


250kg/iron roller barrel.
Apr-13-12
 
Molecular formula:(C4H9S)3PO
CAS:78-48-8
Chemical Name:S,S,S-tri-n-butyl trithiophosphate
English Name:S,S,S-tributyl phosphorotrithioate
Other names:Thidiazuron,def

Molecular Structure:
Physical and chemical properties:Light yellow transparent liquid. It has mercaptan smell,Boiling point 150(400pa).Freezing point: -25 below.
Relative density: 1.057.Refractive index1.532,Flashing point:>200(close).Water solubility:(20)2.3mg/l.It is acetone, alcohol, benzene and so on soluble and it is stable to heat and dissolve in alkali.
Quality index: Index Name Index
Super class products First class products Second class products
Appearance Light yellow transparent liquid Light yellow transparent liquid Light yellow transparent liquid
Content(GC) 98.0 97.0 96.0
C1 0.1 0.1 0.1
Na 0.1 0.1 0.1
Moisture 0.1 0.1 0.1

Toxicity: Rat acute oral LD50325mg/kg,Acute percutaneous LD50850mg/kg.It has irritation of the skin. The operating environment content is<0.5mg/m3.
Use: It is reacted with butyl mercaptan and phosphorus oxychloride withbroad spectrum activity and it can be used for the synergism.
It can be mainly used as the defoliant agent for cotton, rubber tree, apple tree and so on
Package: Packed with 25kgplastic buckets.


Packed with 25kgplastic buckets.
GOLD Member
Sep-12-19
 
1. Product name: Ammonium bisulfite solution
2. Molecular formula: NH4HSO3
3. Molecular weight: 99.10
4. Physical and chemical properties: light yellow liquid, with a little sulfur dioxide odor. Relative density (70%) : 1.4.
5. Technical index:

Item Photographic grade
Appearance clear light yellow liquid
Content w/w % 68-72
pH value (stock solution 20C) 4.0-6.0
Iron (Fe) w/w % 0.001

6. Packing: 270kg plastic drum, 1.25MTS/IBC

7. Uses: in synthesizing dye intermediate, surfactant, herbicide, reducing agent in pharmaceutical industry, etc.
GOLD Member
Aug-06-22
 
4-Hydroxybenzoic acid

Chemical Name:4-Hydroxybenzoic acid
Trade Name:p-oxybenzoic acid
Molecular Formula:C7H6O3
Molecular Weight:138.12
CAS No.:99-96-7

Properties:white odorless crystalline powder, easily soluble in hot water and alcohols, aethers and acetone,
slightly soluble in cold water and benzene, insoluble in carbon bisulfide; relative density is 1.46
Use: Can be used as antiseptic, intermediate of dyes, pharmaceuticals; as main material of liquid crystal polymers; as material of pesticide intermediate

Specification
Item Specification
Polymer Grade Technical Grade
Appearance white crystal powder white crystal powder
Purity(on dry base) % 99.6 99.0
Melting Point 214-217 212-216
Odor odorless odorless
Solubility Clear and transparent clear and transparent
Loss on Drying % 0.20 0.50
Color(Pt-Co) 10 40
Ash % 0.02 0.15
Sulfate(SO42-) 0.01 0.05
Chloride(Cl-) % 0.005 0.02
Phe% 0.01 0.10
Salicylic Acid % 0.02 0.10
4-Hydroxyisophthalic Acid(HIPA) ppm 500 /
Insolubles in Metha ppm 50 /
Potassium(K+) ppm 5 /
Sodium (Na+) ppm 5 /
Iron (Fe) ppm 5 /
Ca2++Mg2+ppm 5 /
GOLD Member
Aug-06-22

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
GOLD Member
Feb-02-18
 
Commodity: Sodium Bisulfite
Molecular Formula: NaHSO3
Molecular Weight: 104.06

Properties: White monoclinic crystalline powder with sulfur dioxide odor; relative density: 1.49; very easily soluble in water; can be decomposed when heated; slightly soluble in ethanol; aqueous solution is acidic; has strong reducing property; can be oxidized in the air or loose sulfur dioxide.

Quality Standard: HG/T3492-80
Technical Indicator High-purity grade Acrylic grade Food grade Refined grade Industrial grade 1
NaHSO3 % 99.5
Insol. in water % 0.003, 0.005, 0.03, 0.04, 0.05
Chloride(Cl) % 0.003, 0.004
Iron(Fe) % 0.001 0.002 0.005
Heavy metal(Pb) 0.001
Arsenic(As) % 0.0001
Clarity test Qualified

Use: It is used in the bleaching of cotton textiles; as reducing agent in dyes, paper-making, leather, chemical synthesis; in the manufacture of pharmaceutical intermediates, developer, food bleacher, antiseptic and anti-oxidants.

Packing: In PP woven bag lined with PE bag; paper-plastic composite bag, and kraft paper bag etc.

Net wt.: 25/50/1000 kgs/bag or upon clients' request.
GOLD Member
Mar-15-21

Salicylic Acid

$5
MOQ: Not Specified
 
Molecular Formula - C7H6O3
Molecular Weight - 138.12
Appearance - white crystalline powder
Density - 1.44g/cm3
Melting point - 158-161 C
Boiling point - 211 C (20 mmHg)
Assay - 99.0% min
Loss on drying - 0.5%max
Application - Pharmaceutical Intermediate
Apr-10-08
Supplier From Hangzhou, Zhejiang, China
 
Dyestuff intermediates

H-acid(mw341 & mw319)
3.3-dichlorobenzidine hydrochloride (dcb)
Fast scarlet base g
Fast scarlet base b
Fast scarlet base gl
Fast bordeaux gp base
Acetoacetanilide(aaa)
Acetoacet-o-chloroamilide(aaoca)
Acetoacet-p-chloroamilide(aapca)
Acetoacet-o-toluidide(aaot)
Acetoacet-p-toluidide(aapt)
Acetoacet-p-anisidide(aaoa)
Acetoacet-p-anisidide(aapa)
Acetoacet-p-phenitidide(aapp)
Acetoacet-m-xylidide(aamx)
5-acetoacetamino-benzimidazolone(aabi)
Aaba
Aapct
Aasp
1-phenyl-3-methyl-5-pyrazolone(pmp)
1-(4'-methylphenyl)-3-methyl-5-pyrazolone(ptmp)
2b acid
4b acid
Naphthol as
Naphthol as-d
Naphthol as-e
Naphthol as-bs
Naphthol as-ol
Naphthol as-ph

Verification Status