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Name	2,2'-Dithiosalicylic acid	EINECS	204-352-8
CAS No.	119-80-2	Density	1.53 g/cm³
PSA	125.20000	LogP	3.88240
Solubility	insoluble in water	Melting Point	287-290 °C
Formula	C₁₄H₁₀O₄S₂	Boiling Point	493.1 °C at 760 mmHg
Molecular Weight	306.363	Flash Point	252 °C
Transport Information	N/A	Appearance	off white to light yellow powder
Safety	26-36-24/25	Risk Codes	36/37/38
Molecular Structure		Hazard Symbols	Xi
Synonyms	2, 2-Dithiobis[benzoic acid];Bis(o-carboxylphenyl) disulfide;Bis(2-carboxyphenyl) disulfide;Diphenyldisulfide-2,2-dicarboxylic acid;2,2-Dithiobis(benzoic acid);Benzoic acid, 2,2-dithiobis-;2,2-Dithiodi(benzoic acid);2-(2-carboxylatophenyl)disulfanylbenzoate;2-(2-carboxyphenyl)disulfanylbenzoic acid;Bis(o-carboxyphenyl) disulfide;2,2'-Dithiosalicy acid;Benzoic acid, 2,2-dithiodi-;2-[(2-Carboxyphenyl)disulfanyl]benzoic acid;2,2'-Dithio Dibenzoic Acid;2,2-Dithiosalicylic acid;	Article Data	162

2,2'-Dithiosalicylic acid Synthetic route

: 147-93-3
Thiosalicylic acid

: 119-80-2
2,2'-dithiobenzoic acid

Conditions

Conditions	Yield
With xenon difluoride In dichloromethane at 25℃;	99%
With 1-oxa-2-azaspiro[2.5]octane In toluene	99%
With polyvinylpolypyrrolidonium tribromide In ethanol at 20℃; for 1.5h; Green chemistry;	99%

: 88-67-5
2-Iodobenzoic acid

: 119-80-2
2,2'-dithiobenzoic acid

Conditions

Conditions	Yield
With nickel(II) chloride hexahydrate; morpholinium morpholine-1-carbodithioate; potassium hydroxide In water; ethylene glycol; N,N-dimethyl-formamide at 130℃;	96%
With potassium sulfide; nickel(II) chloride hexahydrate; acetylacetone; potassium hydroxide In water; N,N-dimethyl-formamide at 110℃; for 24h;	95%

: 88-65-3
2-bromobenzoic-acid

: 119-80-2
2,2'-dithiobenzoic acid

Conditions

Conditions	Yield
With indium(III) oxide; ammonia; water; sulfur In ethanol at 60℃; Green chemistry;	82%
With copper(l) iodide; tetra(n-butyl)ammonium hydroxide; sulfur In water at 80℃; for 48h; Inert atmosphere; Sealed tube; chemoselective reaction;

: 95-15-8
Benzo[b]thiophene

: 119-80-2
2,2'-dithiobenzoic acid

Conditions

Conditions	Yield
With ozone; acetic acid at 16.84℃;	26.7%

: 132-65-0
dibenzothiophene

: 119-80-2
2,2'-dithiobenzoic acid

Conditions

Conditions	Yield
With ozone; acetic acid at 16.84℃;	14%

: 19602-82-5
2,2'-dithiodibenzoic acid dichloride

: 119-80-2
2,2'-dithiobenzoic acid

Conditions

Conditions	Yield
bei laengerem Liegen an feuchter Luft;

: 493-57-2
benzo-[b]thiophene-2,3-dione

A: 16807-21-9
1,2-benzisothiazole-3-carboxamide

B: 119-80-2
2,2'-dithiobenzoic acid

Conditions

Conditions	Yield
With ammonium hydroxide; dihydrogen peroxide

: 1677-27-6
3H-1,2-benzodithiol-3-one

: 141-52-6
sodium ethanolate

: 119-80-2
2,2'-dithiobenzoic acid

: 1677-27-6
3H-1,2-benzodithiol-3-one

: 119-80-2
2,2'-dithiobenzoic acid

Conditions

Conditions	Yield
With sodium ethanolate

: 3354-42-5
3H-1,2-benzodithiole-3-thione

: furan-2,3,5(4H)-trione pyridine (1:1)

: 119-80-2
2,2'-dithiobenzoic acid

2,2'-Dithiosalicylic acid Chemical Properties

Molecule structure of 2,2'-Dithiodibenzoic acid (CAS NO.119-80-2):

IUPAC Name: 2-(2-Carboxyphenyl)disulfanylbenzoic acid
Molecular Weight: 306.3568 g/mol
Molecular Formula: C₁₄H₁₀O₄S₂
Density: 1.53 g/cm³
Melting Point: 287-290 °C(lit.)
Boiling Point: 493.1 °C at 760 mmHg
Flash Point: 252 °C
Index of Refraction: 1.735
Molar Refractivity: 80.04 cm³
Molar Volume: 199.3 cm³
Polarizability: 31.73×10^-24 cm³
Surface Tension: 83.8 dyne/cm
Enthalpy of Vaporization: 80.06 kJ/mol
Vapour Pressure: 1.54E-10 mmHg at 25 °C
Water Solubility: insoluble
XLogP3-AA: 3.1
H-Bond Donor: 2
H-Bond Acceptor: 4
Rotatable Bond Count: 5
Exact Mass: 306.00205
MonoIsotopic Mass: 306.00205
Topological Polar Surface Area: 74.6
Heavy Atom Count: 20
Complexity: 327
Canonical SMILES: C1=CC=C(C(=C1)C(=O)O)SSC2=CC=CC=C2C(=O)O
InChI: InChI=1S/C14H10O4S2/c15-13(16)9-5-1-3-7-11(9)19-20-12-8-4-2-6-10(12)14(17)18/h1-8H,(H,15,16)(H,17,18)
InChIKey: LBEMXJWGHIEXRA-UHFFFAOYSA-N
EINECS: 204-352-8
Product Categories: pharmacetical; organic acids

2,2'-Dithiosalicylic acid Uses

2,2'-Dithiodibenzoic acid (CAS NO.119-80-2) is used for intermediates of medicine, dyes, fungicides, and photoinitiators.

2,2'-Dithiosalicylic acid Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	367mg/kg (367mg/kg)		Arzneimittel-Forschung. Drug Research. Vol. 21, Pg. 284, 1971.

2,2'-Dithiosalicylic acid Safety Profile

Hazard Codes: Irritant Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-24/25
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3
RTECS: DG9660000
Hazard Note: Harmful / irritant

2,2'-Dithiosalicylic acid Specification

2,2'-Dithiodibenzoic acid (CAS NO.119-80-2) is also named as 2,2'-Dithiobis(benzoic acid) ; 2,2'-Dithiodibenzoesaeure ; 2,2'-Dithiodibenzoesaeure [German] ; 4-10-00-00279 (Beilstein Handbook Reference) ; AI3-15534 ; BRN 2221810 ; Bis(2-carboxyphenyl) disulfide ; Bis(o-carboxylphenyl) disulfide ; Bis(o-carboxyphenyl) disulfide ; Diphenyldisulfide-2,2'-dicarboxylic acid . 2,2'-Dithiodibenzoic acid is brown powder. 2,2'-Dithiodibenzoic acid is high toxic. It is flammable. It will produce toxic sulfur oxides fumes when buring. So the storage environment should be ventilate, low-temperature and dry. Keep 2,2'-Dithiodibenzoic acid separate from raw materials of food.

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