Product Identification

Product Name

5-(Dimethylamino)naphthalene-1-sulfonyl chloride

Synonyms

1-(Dimethylamino)-5-naphthalenesulfonyl chloride
1-Naphthalenesulfonyl chloride, 5-(dimethylamino)
5-(Dimethylamino)-1-naphthalenesulfonyl chloride
5-(N,N-Dimethylamino)-1-naphthalenesulfonyl chloride
5-Dimethylaminonaphthalene-1-sulfonyl chloride

CAS

605-65-2

Formula

C12H12ClNO2S

Molecular Weight

269.75

EINECS

210-092-6

RTECS

QK3688000

RTECS Class

Other

Merck

13,2840

Beilstein/Gmelin

2217205

Beilstein Reference

4-14-00-02801

EC Class

corrosive

Physical and Chemical Properties

Appearance

Yellow solid.

Solubility in water

Insoluble

Melting Point

69.0 - 73.0

pKa/pKb

11.62 (pKb)

Usage

Substance is used in fluorescent labelling, column chromatography, hplc.

First Aid Measures

Ingestion

Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.

Inhalation

Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. DO NOT use mouth-to-mouth respiration.

Skin

Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Destroy contaminated shoes.

Eyes

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage

Storage

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale.

Hazards Identification

Ingestion

May cause severe gastrointestinal tract irritation with nausea, vomiting and possible burns.

Inhalation

May cause irritation of the respiratory tract with burning pain in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema.

Skin

May cause skin irritation and possible burns.

Eyes

May cause eye irritation and possible burns.

Hazards

Contact with metals may evolve flammable hydrogen gas.

EC Risk Phrase

R 34

EC Safety Phrase

S 26 36/37/39 45

UN (DOT)

1759

Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Fire Fighting Measures

Fire Fighting

Extinguish using agent most appropriate for surrounding fire.

Fire Potential

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Disposal Code

11

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents, strong bases, moist air and water.

Decomposition

Hydrogen chloride, nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

1759

Hazard Class

8

Packing Group

I; II; III

HS Code

2921 49 80