Hangzhou Weiyi Chemical Co., Ltd.

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Profile: Hangzhou Weiyi Chemical Co., Ltd. specializes in the production of fine chemical products. Our products include disperse dyestuff, reactive dyestuff, acid dyestuff, cationic dyestuffs, and all kinds of pigments & chemical intermediates.

23 Products/Chemicals (Click for related suppliers)

• Acid Black 172

IUPAC Name: trisodium; chromium(3+); 7-nitro-3-oxido-4-(2-oxidonaphthalen-1-yl)diazenylnaphthalene-1-sulfonate | CAS Registry Number: 61847-77-6
Synonyms: Rylan Black R, Bemaplex Black CR, Black M-RN, Erionyl Black M-R, Ricoamide Black RPL, Erionyl Black M-RN, Sella Fast Black BR, Nylomine Black D 2R, Telon Black LD 01, Dye-O-Lan Black RPL, Neutrichrome Black M-R, C.I. Acid Black 172, Nylanthrene Black C-DPL, Sella Fast Black BR 7, EINECS 260-906-9, CID11979793, C.I. 15711:1, LS-195530, Chromate(3-), bis(3-(hydroxy-kappaO)-4-((2-(hydroxy-kappaO)-1-naphthalenyl)azo-kappaN1)-7-nitro-1-naphthalenesulfonato(3-))-, trisodium, Chromate(3-), bis(3-hydroxy-4-((2-hydroxy-1-naphthaleneyl)azo)-7-nitro-1-naphthalenesulfonato(3-))-, trisodium

Molecular Formula:	C₄₀H₂₀CrN₆Na₃O₁₄S₂	Molecular Weight:	993.714010 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	18

InChIKey: WACZZIYBCYRXBW-UHFFFAOYSA-H

• Acid Black 24

IUPAC Name: 8-anilino-5-[4-(5-sulfonaphthalen-1-yl)diazenylnaphthalen-1-yl]diazenylnaphthalene-1-sulfonic acid; sodium | CAS Registry Number: 3071-73-6
Synonyms: Sulfon Black S, Fenazo Black SB, Durol Black B, Cloth Black MB, Durol Black BA, Acid Black S, Fast Black B, Milling Black BB, Sulfonine Black B, Sulphonol Black B, Cirene Black BRA, Durol Black 2B, Alphanol Black GV, Bucacid Black 2B, Neutral Black 3B, Sulphone Black BB, Midlon Black P2B, Sulfonine Black BB, Sulphonol Black BR, Alphanol Black BBN

Molecular Formula:	C₃₆H₂₅N₅NaO₆S₂	Molecular Weight:	710.733370 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	11

InChIKey: QLSIPNJOWGWIBB-UHFFFAOYSA-N

• Acid Black 52

IUPAC Name: trisodium; chromium; 4-[(2-hydroxynaphthalen-1-yl)hydrazinylidene]-7-nitro-3-oxonaphthalene-1-sulfonate | CAS Registry Number: 5610-64-0
Synonyms: Palatine Fast Black WAN, ACID BLACK 52, CID11979962, CID 11979962

Molecular Formula:	C₆₀H₃₆Cr₂N₉Na₃O₂₁S₃	Molecular Weight:	1488.132050 [g/mol]
H-Bond Donor:	6	H-Bond Acceptor:	27

InChIKey: WRYLXFONDVYLOG-UHFFFAOYSA-K

• Acid Blue 182 (CAS: 12219-26-0)

• Acid Brown 282 (CAS: 12219-65-7)

• Acid Dyes

IUPAC Name: sodium;4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,3-disulfonate

Molecular Formula:	C₂₇H₃₁N₂NaO₆S₂	Molecular Weight:	566.663 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	7

InChIKey: SJEYSFABYSGQBG-UHFFFAOYSA-M

• Acid Yellow 219 (CAS: 71819-57-3)

• Cationics

• Direct Dyes

• DISODIUM 2-(9-CHLORO-3-(SULFONATOOXY)NAPHTHO[1,2-B]THIOPHEN-2-YL)-1H-INDOL-3-YL SULFATE

IUPAC Name: disodium [2-(9-chloro-3-sulfonatooxybenzo[g][1]benzothiol-2-yl)-1H-indol-3-yl] sulfate | CAS Registry Number: 10169-52-5
Synonyms: CID82421, EINECS 233-441-4, Disodium 2-(9-chloro-3-(sulphonatooxy)naphtho(1,2-b)thien-2-yl)-1H-indol-3-yl sulphate, 1H-Indol-3-ol, 2-(9-chloro-3-(sulfooxy)naphtho(1,2-b)thien-2-yl)-, 3-(hydrogen sulfate), sodium salt (1:2), 1H-Indol-3-ol, 2-(9-chloro-3-(sulfooxy)naphtho(1,2-b)thien-2-yl)-, hydrogen sulfate (ester), disodium salt

Molecular Formula:	C₂₀H₁₀ClNNa₂O₈S₃	Molecular Weight:	569.922840 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	8

InChIKey: VQNHJDZRCIAIHS-UHFFFAOYSA-L

• Disperse Dyes

• Dyestuff and Pigments

• Patent Blue

IUPAC Name: sodium 4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,3-disulfonate | CAS Registry Number: 129-17-9
Synonyms: Sulfan Blue, Patent Blue VF, Sulphanblau, Disulphen Blau, Sulphan Blue, Disulphine VN, Acid blue 1, Alphazurine 2G, Bleu patente V, Hidacid Blue V, Leather Blue G, Carmine Blue VF, Amacid Blue V, Patent Blue V, Carmin Blue VS, Fenazo Blue XF, Patent Blue VS, Xylene Blue VS, Erioglaucine Supra, Hexaco Blue VRS

Molecular Formula:	C₂₇H₃₁N₂NaO₆S₂	Molecular Weight:	566.664610 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	7

InChIKey: SJEYSFABYSGQBG-UHFFFAOYSA-M

• Reactive Dyes

• Solvent Dye

• Sulphur Dyes

• Vat Black 38 (CAS: 12237-35-3)

• Vat Black 9 (CAS: 1328-25-2)

• Vat Blue 18

Synonyms: Dibenzanthrone, Violanthrone, Violanthrone A, Bianthrone A, Violanthrene N, Irgalite Blue 2R, Paradone Dark Blue, Tinon Dark Blue BOA, Ahcovat Dark Blue BO, Tinon Dark Blue BO, Tinon Dark Blue MB, Vat Dark Blue O, Pigment Blue 65, Ponsol Dark Blue BR, Vat Blue 20, Tinon Dark Blue BOR, Tinon Dark Blue MBA, Caledon Dark Blue BM, Navinon Dark Blue BO, Benzadone Navy Blue R

Molecular Formula:	C₃₄H₁₆O₂	Molecular Weight:	456.489640 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: YKSGNOMLAIJTLT-UHFFFAOYSA-N

• VAT BROWN 25

Synonyms: Hned kypova 25, Indanthrene Red Brown 5RF, C.I. Vat Brown 25, Fenanthrene Red Brown 5R, Indanthren Red Brown 5RF, Mikethrene Red Brown 5RF, Hned kypova 25 [Czech], Carbanthrene Red Brown 5R, Ostanthren Reddish Brown 5RF, Indanthrene Reddish Brown 5RF, EINECS 228-367-4, Hned cervenava ostanthrenova 5 RF, BRN 0382455, CID197846, Hned cervenava ostanthrenova 5 RF [Czech], C.I. 69020, LS-62042, 2-22-00-00461 (Beilstein Handbook Reference), 16H-Dinaphtho(2,3-a:2',3'-i)carbazole-5,10,15,17-tetraone, 6,9-dibenzamido-1-methoxy-, N,N'-(10,15,16,17-Tetrahydro-1-methoxy-5,10,15,17-tetraoxo-5H-dinaphtho(2,3-a:2',3'-i)carbazole-4,9-diyl)bis(benzamide)

Molecular Formula:	C₄₃H₂₅N₃O₇	Molecular Weight:	695.674500 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	7

InChIKey: RPQNSJZVMKWIRT-UHFFFAOYSA-N

• Vat Dyes

• Vat Orange 3

Synonyms: Lionogen Red GD, Monolite Red 2Y, Lake Fast Red G, Indazin Scarlet GL, Brilliant Orange RK, Brilliant Orange KKh, Hostaperm Scarlet GO, Sumitone Fast Red G, Helanthrene Orange RK, Monolite Fast Red YS, Helio Fast Scarlet EB, C.I. Vat Orange 3, Helio Brilliant Orange RK, Helio Fast Scarlet EGL, Cromophtal Scarlet A 2G, Vat Brilliant Orange KKh, 4,10-Dibromoanthanthrone, Tinon Brilliant Orange RK, Vat Brilliant Orange KKhd, Bright Orange Anthraquinone

Molecular Formula:	C₂₂H₈Br₂O₂	Molecular Weight:	464.105720 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: HTENFZMEHKCNMD-UHFFFAOYSA-N

• 1,1'-Diethyl(3,3'-Bianthra(1,9-Cd)pyrazole)-6,6'(1h,1'H)-Dione

Synonyms: Ahcovat Rubine R, Cibanone Red 6B, Ponsol Red 2B, Ponsol Red 2BD, Nihonthrene Red BB, Tinon Red 6B, Fenanthren Rubine R, Indanthren Rubine R, Indanthrene Rubine R, Cibanone Red F 6B, Indanthren Rubine RS, Carbanthrene Red G 2B, Cerven kypova 13, Nyanthrene Red G 2B, Vat Red 13, Palanthrene Red G 2B, Sandothrene Red N 6B, Carbanthrene Red G 2BP, C.I. Vat Red 13, C.I. Pigment Red 195

Molecular Formula:	C₃₂H₂₂N₄O₂	Molecular Weight:	494.542680 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	4

InChIKey: HMVVJYXWTGGFDR-UHFFFAOYSA-N