Bengbu Yongyan Dyestuffs & Chemicals Co., Ltd.

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Contact: Mr.Michael Wu - Director
Web: http://www.yongyandyes.com
E-Mail:
Address: 19# Shengli East Road, Bengbu, Anhui 233030, China
Phone: +86-(552)-3021090/3021091 | Fax: +86-(552)-3021091 | Map/Directions >>

Profile: Bengbu Yongyan Dyes & Chemicals Co., Ltd. specializes in providing sulfur dyes and pharmaceutical intermediates. Our pharmaceutical intermediates include 4,5-dimethyl-1,3-dioxol-2-one and 4-chloromethyl-5-methyl-l,3-dioxocyclopenten-2-one. 4-Chloromethyl-5-methyl-l,3-dioxocyclopenten-2-one is used for synthesizing semi-synthetic antibiotics like olmesartan medoxomil, lenampicillium hydrochloride and prulifloxacin. We are an ISO 9001 and ISO 14001 certified company.

8 Products/Chemicals (Click for related suppliers)

• Acetyl Methyl Carbinol

IUPAC Name: 3-hydroxybutan-2-one | CAS Registry Number: 513-86-0
Synonyms: acetoin, Dimethylketol, 2,3-Butanolone, 3-hydroxy-2-butanone, Acethoin, acetylmethylcarbinol, Acetyl methyl carbinol, Acetoin (natural), 2-Hydroxy-3-butanone, acetylmethyl-, 2-Acetoin, 2-Butanone, 3-hydroxy-, DL-Acetoin, 3-hydroxybutan-2-one, (R)-dimethylketol, Methanol, acetylmethyl-, (R)-acetoin, Butan-2-ol-3-one, 1-Hydroxyethyl methyl ketone, (S)-Acetoin

Molecular Formula:	C₄H₈O₂	Molecular Weight:	88.105120 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: ROWKJAVDOGWPAT-UHFFFAOYSA-N

• Dyes

IUPAC Name: tetrasodium (3E)-5-amino-3-[[4-[4-[(2Z)-2-(8-amino-1-oxo-3,6-disulfonatonaphthalen-2-ylidene)hydrazinyl]phenyl]phenyl]hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate

Molecular Formula:	C₃₂H₂₀N₆Na₄O₁₄S₄	Molecular Weight:	932.752080 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	20

InChIKey: HOPRIFATEWRIEO-XGZFOCIOSA-J

• Dyestuffs

• Pharmaceutic Intermediates

• Pharmaceutical Intermediates

• Sulphur Black

IUPAC Name: 2,10-dinitro-12H-[1,4]benzothiazino[3,2-b]phenothiazin-3-one | CAS Registry Number: 1326-82-5
Synonyms: C.I. Sulphur Black 1

Molecular Formula:	C₁₈H₈N₄O₅S₂	Molecular Weight:	424.409920 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	9

InChIKey: PGYZAKRTYUHXRA-UHFFFAOYSA-N

• Sulphur Dyes

• 4,5-Dimethyl-1,3-dioxol-2-one

IUPAC Name: 4,5-dimethyl-1,3-dioxol-2-one | CAS Registry Number: 37830-90-3
Synonyms: 1,3-Dioxol-2-one,4,5-dimethyl-, CID142210, 1,3-Dioxol-2-one, 4,5-dimethyl-, ST076813, TL8002780

Molecular Formula:	C₅H₆O₃	Molecular Weight:	114.099340 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: QYIOFABFKUOIBV-UHFFFAOYSA-N