ChemicalBook CAS DataBase List 149-45-1

149-45-1

Name	Tiron
CAS	149-45-1
EINECS(EC#)	205-741-5
Molecular Formula	C6H6Na2O9S2
MDL Number	MFCD00149531
Molecular Weight	332.22
MOL File	149-45-1.mol

Synonyms

1,2-DIHYDROXY-3,5-BENZENEDISULFONIC ACID DISODIUM SALT MONOHYDRATE 1,2-DIHYDROXYBENZENE-3,5-DISULFONATE DISODIUM SALT 1,2-DIHYDROXYBENZENE-3,5-DISULFONIC ACID, DI NA SALT 1,2-DIHYDROXYBENZENE-3,5-DISULFONIC ACID DISODIUM SALT 1,2-dihydroxybenzene-3,5-disulfonic acid disodium salt hydrate 1,2-DIHYDROXYBENZENE-3,5-DISULFONIC ACID, DISODIUM SALT MONOHYDRATE 1,2-DIHYDROXYBENZENE-3,5-DISULPHONIC ACID DISODIUM SALT 1,2-DIHYDROXYBENZENE-3,5-DISULPHONIC ACID DISODIUM SALT MONOHYDRATE 3,5-PYROCATECHOLDISULFONIC ACID DISODIUM SALT MONOHYDRATE 4,5-DIHYDROXY-1,3-BENZENEDISULFONIC ACID DISODIUM SALT 4,5-DIHYDROXY-1,3-BENZENEDISULFONIC ACID, DISODIUM SALT MONOHYDRATE 4,5-DIHYDROXY-M-BENZENE DISULFONIC ACID DISODIUM SALT 4,5-DIHYDROXY-M-BENZENEDISULFONIC ACID, DISODIUM SALT, MONOHYDRATE BENZCATECHOL 3,5 DISULFONIC ACID, DISODIUM SALT CATECHOL-3,5-DISULFONIC ACID DISODIUM SALT MONOHYDRATE DISODIUM-1,2-DIHYDROXBENZENE-3,5-DISULFONATE MONOHYDRATE DISODIUM-1,2-DIHYDROXYBENZENE-3,5-DISULFONATE Disodium 4,5-dihydroxy-1,3-benzenedisulfonate hydrate DI-SODIUM 4,5-DIHYDROXY-1,3-BENZENEDISULFONATE MONOHYDRATE DI-SODIUM 4,5-DIHYDROXYBENZENE-1,3-DISULFONATE MONOHYDRATE

Chemical Properties

Appearance	light tan powder
Melting point	300 °C
bulk density	465kg/m3
density	2.064g/cm3 at 20℃
vapor pressure	0Pa at 25℃
storage temp.	Store at +15°C to +25°C.
solubility	1350g/l
form	Powder
color	Off-white
PH	5.0 (10g/l, H2O, 20℃)
Stability:	Stable. Incompatible with strong oxidizing agents.
Water Solubility	soluble
Sensitive	Hygroscopic
λmax	290-291 nm (buffer pH 2.5)
Merck	14,9465
BRN	4629740
InChI	1S/C6H6O8S2.2Na/c7-4-1-3(15(9,10)11)2-5(6(4)8)16(12,13)14;;/h1-2,7-8H,(H,9,10,11)(H,12,13,14);;/q;2*+1/p-2
InChIKey	ISWQCIVKKSOKNN-UHFFFAOYSA-L
SMILES	[Na+].[Na+].[S](=O)(=O)(O)c1c(c(cc(c1)[S](=O)(=O)O)[O-])[O-]
LogP	0.3 at 25℃ and pH6.5
Surface tension	72.83mN/m at 1g/L and 19.5℃
CAS DataBase Reference	149-45-1(CAS DataBase Reference)
EPA Substance Registry System	149-45-1(EPA Substance)

Safety Data

Hazard Codes	Xi
Risk Statements	R36/37/38:Irritating to eyes, respiratory system and skin . less more
Safety Statements	S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S36:Wear suitable protective clothing . less more
WGK Germany	3
RTECS	CZ9263000
F	3-9
TSCA	TSCA listed
REACH Registrations	Active
HS Code	29082000
Storage Class	11 - Combustible Solids
Hazard Classifications	Eye Irrit. 2 Skin Irrit. 2
Toxicity	mouse,LD50,intraperitoneal,6060mg/kg (6060mg/kg),Toxicology. Vol. 62, Pg. 203, 1990. less more

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J & K SCIENTIFIC LTD.

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Shandong Xiya Chemical Co., Ltd

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Sichuan Kulinan Technology Co., Ltd

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RYSS TECH LTD

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T&W GROUP

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Shanghai civi chemical technology co.,Ltd

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Thermo Fisher Scientific

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Shanghai T&W Pharmaceutical Co., Ltd.

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9ding chemical ( Shanghai) Limited

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149-45-1

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