Name: Disulfur dichloride
SKU: 10025-67-9

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Basic Information

Molecular Structure:
CAS No.:	10025-67-9
Name:	Disulfur dichloride
Article Data:	261

Formula:	Cl₂S₂
Molecular Weight:	135.038
Synonyms:	Chlorosulfane;Dichlorodisulfane;Sulfur chloride;Sulfur monochloride;Sulfur monochloride (S2Cl2);Sulfur subchloride;Thiosulfurous dichloride;Sulfur chloride (S2Cl2);
EINECS:	233-036-2
Density:	1.704 g/cm³
Melting Point:	-80 °C(lit.)
Boiling Point:	137.999 °C at 760 mmHg
Flash Point:	118ºC
Solubility:	Soluble in benzene, ether, carbon disulfide
Appearance:	Light amber to yellowish red oily liquid with choking and irritant stench
Hazard Symbols:	T,C,N
Risk Codes:	14-20-25-29-35-50
Safety:	26-36/37/39-45-61
Transport Information:	UN 3390 6.1/PG 1
PSA:	50.60000
LogP:	2.67540

Synthetic route

: 10544-50-0
sulfur

: molybdenum pentachloride

A: 10025-67-9
disulfur dichloride

B: Mo(5+)*3Cl(1-)*S2(2-)=*MoCl3(S2)

Conditions

Conditions	Yield
In further solvent(s) (under exclusion of moisture); refluxing in S2Cl2 at 160°C for 5 h; ppt. filtered, washed (CHCl2);	A n/a B 96%

...Expand

: 56-23-5
tetrachloromethane

: 10544-50-0
sulfur

A: 10025-67-9
disulfur dichloride

B: 75-15-0
carbon disulfide

Conditions

Conditions	Yield
byproducts: S(x)Cl2; (N2), bomb reed, heated at 250°C for 24 h; cooled in liquid air in vac., distd.;	A 95% B n/a
byproducts: S(x)Cl2; (N2), bomb reed, heated at 250°C for 15 h; cooled in liquid air in vac., distd.;	A 86% B n/a
byproducts: S(x)Cl2; (N2), bomb reed, heated at 210°C for 8 d; cooled in liquid air in vac., distd.;	A 70% B n/a

...Expand

: barite

: 7782-50-5
chlorine

A: 10025-67-9
disulfur dichloride

B: barium(II) chloride

Conditions

Conditions	Yield
With chaircoal with activated chaircoal at 500 °C;	A n/a B 90%
With chaircoal with activated chaircoal at 500 °C;	A n/a B 90%
In melt reduction to BaS in molten BaCl2; blowing chlorine into the melt;
With coal or coke or hydrocarbons at higher temp.;
In melt reduction to BaS in molten BaCl2; blowing chlorine into the melt;

...Expand

: 10544-50-0
sulfur

: 67-66-3
chloroform

A: 7647-01-0
hydrogenchloride

B: 10025-67-9
disulfur dichloride

C: 75-15-0
carbon disulfide

Conditions

Conditions	Yield
(N2), bomb reed, heated at 205°C for 60 h; cooled in liquid air in vac. for a week, distd.; Raman spectr.;	A n/a B 80% C n/a

...Expand

: 7704-34-9
sulfur

: 10025-68-0
diselenium dichloride

A: 10025-67-9
disulfur dichloride

B: 1087399-32-3
sulfur selenium dichloride

C: 10545-99-0
sulfur dichloride

D: 10026-03-6
selenium tetrachloride

Conditions

Conditions	Yield
In neat (no solvent) heating of equimolar amount in closed tube to 200°C for 6 h;; fractional distillation;;	A n/a B 30% C n/a D n/a
In neat (no solvent) heating of equimolar amount in closed tube to 200°C for 6 h;; fractional distillation;;	A n/a B 30% C n/a D n/a
In neat (no solvent) heating of equimolar amount in closed tube to 100, 150, 200 or 250°C for 6 h;; fractional distillation;;
In neat (no solvent) heating of equimolar amount in closed tube to 100, 150, 200 or 250°C for 6 h;; fractional distillation;;

...Expand

: arsenic trisulfide

: 7782-50-5
chlorine

: 10025-67-9
disulfur dichloride

Conditions

Conditions	Yield
In not given room temp.;;

: 75-18-3
dimethylsulfide

: 7782-50-5
chlorine

: 10025-67-9
disulfur dichloride

Conditions

Conditions	Yield
In not given
In not given

: 7704-34-9
sulfur

: 2696-92-6
nitrosylchloride

: 10025-67-9
disulfur dichloride

Conditions

Conditions	Yield
In further solvent(s) introduction of NOCl into soln. of S in S2Cl2;;

: 7704-34-9
sulfur

: 2696-92-6
nitrosylchloride

A: 10025-67-9
disulfur dichloride

B: 10102-43-9
nitrogen(II) oxide

Conditions

Conditions	Yield
In neat (no solvent) introduction of NOCl, 100°C;;

...Expand

: 10049-04-4, 25052-55-5
chlorine dioxide

: 7704-34-9
sulfur

A: 10025-67-9
disulfur dichloride

B: 7446-09-5
sulfur dioxide

Conditions

Conditions	Yield
In neat (no solvent) decompn. under explosion;;

...Expand

Raw Materials

67-66-3

75-18-3

64-17-5

7783-60-0

Downstream Products

108-24-7

75-77-4

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- China (Mainland)(14)
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Consensus Reports

Reported in EPA TSCA Inventory.

Standards and Recommendations

OSHA PEL: CL 1 ppm
ACGIH TLV: CL 1 ppm
DFG MAK: 1 ppm (5.6 mg/m³)
NIOSH REL: (Sulfur Monochloride) CL 1 ppm

Specification

The Disulfur dichloride, with the CAS registry number 10025-67-9, is also known as Sulfur monochloride. It belongs to the product category of Inorganics. Its EINECS number is 233-036-2. This chemical's molecular formula is Cl₂S₂ and molecular weight is 135.04. What's more, its systematic name is chlorosulfanyl thiohypochlorite. Pure Disulfur dichloride is a yellow liquid that smokes in air due to reaction with water. It is stable at common pressure and temperature, and it should be sealed and stored in a ventilated and dry place. Moreover, it should be protected from light.

Physical properties of Disulfur dichloride are: (1)ACD/LogP: 1.899; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.90; (4)ACD/LogD (pH 7.4): 1.90; (5)ACD/BCF (pH 5.5): 16.34; (6)ACD/BCF (pH 7.4): 16.34; (7)#H bond acceptors: 0; (8)#H bond donors: 0; (9)#Freely Rotating Bonds: 1; (10)Polar Surface Area: 50.6 Å²; (11)Index of Refraction: 1.617; (12)Molar Refractivity: 27.741 cm³; (13)Molar Volume: 79.243 cm³; (14)Polarizability: 10.998×10^-24cm³; (15)Surface Tension: 49.65 dyne/cm; (16)Density: 1.704 g/cm³; (17)Boiling Point: 137.999 °C at 760 mmHg; (18)Vapour Pressure: 8.53 mmHg at 25°C.

Preparation: it is synthesized by partial chlorination of elemental sulfur. The reaction takes place at usable rates at room temperature. In the laboratory, chlorine gas is led into a flask containing elemental sulfur. As disulfur dichloride is formed, the contents become a golden yellow liquid. Pure disulfur dichloride is obtained by distilling the yellow-orange liquid over excess elemental sulfur. It also arises from the chlorination of CS₂ as in the synthesis of thiophosgene.

S₈ + 4 Cl₂ → 4 S₂Cl₂

Uses of Disulfur dichloride: it has been used to introduce C-S bonds. In the presence of AlCl₃, Disulfur dichloride reacts with benzene to give diphenyl sulfide. Other uses include manufacturing sulfur dyes, insecticides, synthetic rubbers. It is also used in cold vulcanization of rubbers, as polymerization catalyst for vegetable oils and for hardening soft woods.

S₂Cl₂ + 2 C₆H₆ → (C₆H₅)₂S + 2 HCl + 1/8 S₈

When you are using this chemical, please be cautious about it as the following:
This chemical will react violently with water, and if contact with water, it will liberate toxic gas. It is harmful by inhalation and is toxic if swallowed. Moreover, it is very toxic to aquatic organisms. This chemical can cause severe burns. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need to wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, you must seek medical advice immediately (show the label where possible). You should avoid releasing it to the environment, and you need to refer to special instructions/safety data sheet.

You can still convert the following datas into molecular structure:
(1)SMILES: ClSSCl
(2)Std. InChI: InChI=1S/Cl2S2/c1-3-4-2
(3)Std. InChIKey: PXJJSXABGXMUSU-UHFFFAOYSA-N

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LC50	inhalation	150ppm (150ppm)		International Polymer Science and Technology. Vol. 3, Pg. 93, 1976.
rat	LC50	inhalation	2500mg/m³/4H (2500mg/m³)	SENSE ORGANS AND SPECIAL SENSES: CORNEAL DAMAGE: EYE LUNGS, THORAX, OR RESPIRATION: CYANOSIS LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA	International Journal of Toxicology. Vol. 19, Pg. 342, 2000.
rat	LD50	oral	132mg/kg (132mg/kg)	BEHAVIORAL: GENERAL ANESTHETIC SKIN AND APPENDAGES (SKIN): HAIR: OTHER CARDIAC: OTHER CHANGES	International Journal of Toxicology. Vol. 19, Pg. 342, 2000.

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Consensus Reports

Standards and Recommendations

Specification