C.I. 42780(28983-56-4)

Contents

Product Identification	Back to Contents
【Product Name】 C.I. 42780
【Synonyms】 Acid blue 93 Aniline blue water soluble Benzenesulfonic acid, [[4-[bis[4-[(sulfophenyl)amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]amino]-, disodium salt Cotton blue Poirriers blue Water blue
【CAS】 28983-56-4
【Formula】 C37H27N3Na2O9S3
【Molecular Weight】 799.81
【EINECS】 249-352-9
【RTECS】 DB5044700
【RTECS Class】 Mutagen
【Merck】 13,6055

Physical and Chemical Properties	Back to Contents
【Appearance】 deep brown fine crystals
【Usage】 Used as a a coloring.

First Aid Measures	Back to Contents
【Ingestion】 If swallowed, wash out mouth with water provided person is conscious. Call a physician.
【Inhalation】 If inhaled, remove to fresh air. If breathing becomes difficult, call a physician.
【Skin】 In case of contact, immediately wash skin with soap and copious amounts of water.
【Eyes】 In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Handling and Storage	Back to Contents
【Storage】 Keep tightly closed.

Hazards Identification	Back to Contents
【Inhalation】 May be harmful if inhaled. Material may be irritating to mucous membranes and upper respiratory tract.
【Skin】 May cause skin irritation. May be harmful if absorbed through the skin.
【Eyes】 May cause eye irritation.
【Ingestion】 May be harmful if swallowed.
【Hazards】 Emits toxic fumes under fire conditions.
【EC Safety Phrase】 22 24/25

Exposure Controls/Personal Protection	Back to Contents
【Personal Protection】 Protective gloves. Chemical safety goggles.
【Respirators】 Wear dust mask.
【Exposure Effects】 Avoid contact and inhalation.

Fire Fighting Measures	Back to Contents
【Fire Fighting】 Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Accidental Release Measures	Back to Contents
【Small spills/leaks】 Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity	Back to Contents
【Stability】 Stable at normal temperatures and pressures.
【Incompatibilities】 Strong oxidizing agents.
【Decomposition】 Carbon monoxide, Carbon dioxide.

Company Name:	Wuhan Penglei Biological Technology Co., Ltd.
Tel:	18672616696
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WebSite:	https://www.chemicalbook.com/ShowSupplierProductsList947930/0.htm

Company Name:	Beijing HwrkChemical Technology Co., Ltd
Tel:	010-89508211 18501085097
Fax:	010-89508210
WebSite:	http://www.hwrkchemical.com

Company Name:	Shanghai Hanhong Scientific Co.,Ltd.
Tel:	021-54306202 13764082696
Fax:
WebSite:	https://www.hanhongsci.com

Company Name:	Tangshan Moneide Trading Co., Ltd.
Tel:	0315-8309571 15633399667
Fax:	+86-315-7726572
WebSite:	http://www.moneidechem.com

Company Name:	Sichuan Kulinan Technology Co., Ltd
Tel:	400-1166-196 18981987031
Fax:	028-84555506 800101999
WebSite:	http://www.hx-r.com/

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