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Professional China naphthoic acid synthesis - Factory supply H acid; 1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid cas 90-20-0 with high quality – Mit-ivy
Description The disodium salt and caustic soda concentrated solution of Koch acid (1-naphthylamine-3 mine6 and 8-trisulfonic acid) were heated and melted in a pressure heater at about 180-190 ℃, then the melts were dissolved in water and then acidified and precipitated.Slightly soluble in cold water, soluble in alkaline solutions such as soda ash and caustic soda. With ferric chloride solution was brown red. The acid salt has a bluish red fluorescence, and becomes reddish purple after adding ... -
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Wholesale crystal violet stain - Magentagreencrystals Basic Green 4/Magenta Green/Malachite Green CAS 14426-28-9 – Mit-ivy
Using Nmine N-dimethylaniline as the main raw material, N-dimethylaniline and benzaldehyde were condensed in the presence of sulfuric acid, then oxidized by PbO2, deleaded by Na2SO4, neutralized by Na2CO3 to obtain dye alcohol color group, finally crystallized with oxalic acid, filtered and dried to get the finished product. no, no, no. Chemical property Green with flash crystals. Soluble in water, extremely soluble in ethanol, all blue-green. The dye appears yellow in concentrated sulfuric a... -
OEM/ODM Factory malachite green uses - High-purity Basic flavine O, cas:2465-27-2 EINECS Code Basic Yellow 2 in stock – Mit-ivy
Application Clinical poisoning It has a mild irritating effect on the mucous membranes of the skin and can cause dermatitis, conjunctivitis and upper respiratory tract irritation. Bladder cancer has been reported in workers who produced alkaline cough yellow. However, no bladder cancer was reported in workers who used alkaline cough yellow. Therefore, it is believed that the carcinogenic substance may be an intermediate of cough yellow. No cases of poisoning have been reported in Ch... -
Discountable price EINECS 210-199-8 - N,N-Dimethylaniline for synthesis. CAS 121-69-7, EC Number 204-493-5, chemical formula C8H11N – Mit-ivy
Application N,N-dimethylaniline is a tertiary amine used in the synthesis of several triarylmethane dyes, such as peacock green. It is also used in the synthesis of magnetic Gram stains for the detection of bacteria. Quick Details CAS No. 121-69-7 Other Names n,n-dimethylaniline MF C8H11N EINECS No. 204-493-5 Place of Origin xuzhou, China Type Pharmaceutical Intermediates, n,n-dimethylaniline Purity 99% Brand Name crovell Model Number n,n-dimethylaniline Applicatio... -
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Factory wholesale DMA - sodium nitrite salt Manufacture Industrial Grade Cas 7632-00-0EINECS No.: 231-555-9 – Mit-ivy
Sodium nitrite (NaNO₂) is an inorganic salt formed by the combination of nitrite ion and sodium ion. Sodium nitrite is easy to deliquesce and soluble in water and liquid ammonia. Its aqueous solution is alkaline and its pH is about 9. It is slightly soluble in organic solvents such as ethanol, methanol and ether. Sodium nitrite has a salty taste and is used to make fake table salt. Sodium nitrite will react with oxygen to form sodium nitrate when exposed to air. If heated above 320°C, it will... -
OEM Manufacturer sodium nitrate uses - High-purity Basic flavine O, cas:2465-27-2 EINECS Code Basic Yellow 2 in stock – Mit-ivy
Application Clinical poisoning It has a mild irritating effect on the mucous membranes of the skin and can cause dermatitis, conjunctivitis and upper respiratory tract irritation. Bladder cancer has been reported in workers who produced alkaline cough yellow. However, no bladder cancer was reported in workers who used alkaline cough yellow. Therefore, it is believed that the carcinogenic substance may be an intermediate of cough yellow. No cases of poisoning have been reported in Ch... -
New Fashion Design for sodium sulphate price - China manufacturer Crystal violet lactone (CVL) CAS 1552-42-7 EINECS No.: 216-293-5 – Mit-ivy
Molecular formula: C26H29N3O2 Molecular weight: 415.53 structure： -
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