Product Identification

Product Name

Bis(3-nitrophenyl) disulfide

Synonyms

3,3'-Dinitrodiphenyl disulfide
3-Nitrophenyl disulfide
Bis(3-nitrophenyl) disulfide
Bis(m-nitrophenyl) disulfide
Hinagen
Megasul

CAS

537-91-7

Formula

C12H8N2O4S2

Molecular Weight

308.33999999999997

EINECS

208-677-6

Merck

13,6651

Physical and Chemical Properties

Appearance

Solid.

Solubility in water

3.1 mg/L (25 C)

Melting Point

78 - 80

Boiling Point

444

Vapor Pressure

1.2E-7 (25 C)

Density

1.52 g/cm3 (20 C)

Partition Coefficient

4.06

Heat Of Vaporization

67.43 kJ/mol

First Aid Measures

Ingestion

If swallowed, wash out mouth with water provided person is conscious. Call a physician.

Inhalation

If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.

Skin

In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician.

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

Storage

Keep containers tightly closed.

Hazards Identification

Ingestion

May be harmful if swallowed.

Inhalation

Material may be irritating to mucous membranes and upper respiratory tract. May be harmful if inhaled.

Skin

May cause skin irritation. May be harmful if absorbed through the skin.

Eyes

May cause irritation.

Hazards

Emits toxic fumes under fire conditions.

EC Risk Phrase

50/53

EC Safety Phrase

60 61

UN (DOT)

3077

Exposure Controls/Personal Protection

Personal Protection

Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.

Respirators

Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Where risk assessment shows air-purifying respirators are appropriate use a dust mask type N95 (US) or type P1 (EN 143) respirator.

Fire Fighting Measures

Flash Point

222

Fire Fighting

Extinguish with 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

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

Stability

Stable at normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents, Strong bases.

Decomposition

arbon monoxide, Carbon dioxide, Nitrogen oxides, Sulfur oxides.

Transport Information

UN Number

3077

Hazard Class

9

Packing Group

III