Wenzhou M & C Foreign Trade Co., Ltd.

Import& export

Organic intermediates

1. Benzaldehyde-2-sulfonic acid sodium

Cas no.1008-72-6 Appearance: White crystal powder;

Purity:80%min or 85%min(wet material);

Heavy metal(as pb):5 ppm max;

As:0.5 ppm max;

Hg:0.01 ppm max;

Ph:6.5-8.0

2. Benzaldehyde-2,4-disulfonic acid

Appearance: White crystal powder;

Purity:66%min(wet material);

Heavy metal(as pb):5 ppm max;

As:0.5 ppm max;

Hg:0.01 ppm max;

Ph:6.5-8.0

3. N-ethyl-n-benzyl aniline-3'-sulfonic acid

Cas no.101-11-1 Appearance: White powder;

Purity:90%min or 95%min

Moisture:5%max

Heavy metal(as pb):10 ppm max;

4. N, n-dimethyl-p-amino benzaldehyde

Cas no.100-10-7 Purity:98%min(hplc)

M. P.:69-75 c

Moisture:0.5%max

Volatile:0.5%max

5. N, n-diethyl-p-amino benzaldehyde

Purity:98.5%min(g. C. )

M. P.:37-39 c

Moisture:0.5%max

Volatile:0.5%max

6.3,5-dichloro aniline Appearance: White-light yellow powder;

Purity:99%min(g. C. )

M. P.:49-50 c

Isomers ect:1%max;

7.3-methyl-4-amino phenol 99%

Cas no.2835-99-6 Appearance: White powder

Purity:99%min(hplc)

Ash %:0.5%max

Fe:20 ppm max

Pb:5 ppm max

8.2-methyl-5-amino phenol 99%

Cas no.2835-95-2 Appearance: White powder

Purity:98%min(hplc)

Ash %:0.5%max

Fe:20 ppm max

Pb:5 ppm max

9.2-amino-3-hydroxy pyridine 98%

Cas no.16867-03-1 Appearance: White powder

Purity:98%min(hplc)

M. P.:170-173 c

Ash %:0.5%max

Fe:10 ppm max

Pb:5 ppm max

10. Dichlone 2,3-dichlone Appearance: Light yellow crystals

Purity:99%min(g. C. )

M. P.:191 c

11.2-amino benzene-n-methyl cyclohexyl sulfonamide

Cas no.7093-59-3 Appearance: Yellow-brown crystals

Purity:98.5%min(hplc)

Volatile:0.5%max

Moisture:0.5%max

12.2,4-dichloro acetophenone

Cas no.2234-16-4 Appearance: Light yellow or white crystal

Purity:98%min(hplc)

M. P.:33-34 c