EMS CATALOG NO: 18850 
EMS PRODUCT: Methyl Violet 2B,
DATE:   07/09/96
PAGE NUMBER: One of 4


MATERIAL SAFETY DATA SHEET

The information contained herein is based on data considered
accurate. However, no warranty is expressed or implied
regarding the accuracy of these data or the results to be
obtained from the use thereof.

Electron Microscopy Sciences assumes no responsibility for
personal injury or property damage to vendees, users or
third parties caused by the material. Such vendees or users
assume all risks associated with the use of the material.


ELECTRON MICROSCOPY SCIENCES
321 MORRIS ROAD
P.O. BOX 251
FORT WASHINGTON, PA 19034 24 HOUR EMERGENCY PHONE NUMBER
(215) 646-1566 CHEMTREC: (800) 424-9300
_________________________________________________________________

FOR PRODUCT AND SALES INFORMATION
_________________________________________________________________

CONTACT ELECTRON MICROSCOPY SCIENCES OFFICE ABOVE.

_________________________________________________________________

PRODUCT IDENTIFICATION
_________________________________________________________________

PRODUCT NAME: Methyl Violet 2B 

FORMULA: C24H27N3.HCL

FORMULA WT.: 393.97

CAS #: 08004-87-3

NIOSH/RTECS NO.: GC8425000

COMMON SYNONYMS: C.I. Basic Violet; Methyl Violet
______________________________________________________________________

PRECAUTIONARY LABELLING
______________________________________________________________________

SAFETY CODE SYSTEM: 2 = Moderate 1 = Slight

Health = 2 Flammability = 1 Reactivity = 1 Contact = 2 

LABORATORY PROTECTIVE EQUIPMENT:
Safety glasses, lab coat, vent hood and proper gloves

PRECAUTIONARY LABEL STATEMENTS:

WARNING!
HARMFUL IF SWALLOWED CAUSES IRRITATION
CAUSES IRRITATION

Avoid contact with eyes, skin, clothing. Keep in tightly closed container.
Wash thoroughly after handling.
______________________________________________________________________

HAZARDOUS COMPONENTS
______________________________________________________________________

% CAS NO.
Methyl Violet 2B 
90-100 08004-87-3

______________________________________________________________________

PHYSICAL DATA
______________________________________________________________________

BOILING POINT: N/A MELTING POINT: N/A
VAPOR PRESSURE (mmHg): N/A VAPOR DENSITY(air=1): N/A
SPECIFIC GRAVITY(H2O=1): N/A EVAPORATION RATE
(Butyl Acetate=1): N/A
SOLUBILITY(H2O): Moderate (1 to 10 %)
APPEARANCE & ODOR: Green crystals

______________________________________________________________________

FIRE AND EXPLOSION HAZARD DATA 
______________________________________________________________________

FLASH POINT: N/A

FIRE EXTINGUISHING MEDIA:
Use extinguishing media appropriate for surrounding fire.

SPECIAL FIRE-FIGHTING PROCEDURES:
Firefighters should wear proper protective equipment and self-contained
breathing apparatus with full facepiece operated
in positive pressure mode.

TOXIC GASES PRODUCED: Hydrogen chloride, nitrogen oxides



______________________________________________________________________

HEALTH HAZARD DATA
______________________________________________________________________

TOXICITY: LD50 (oral-mouse) (mg/kg) - 105
LD50 (ipr-mouse) (mg/kg) - 6

EFFECTS OF OVEREXPOSURE: No effects of overexposure were documented.

EMERGENCY AND FIRST-AID PROCEDURES: 
CALL A PHYSICIAN.
If swallowed, if conscious, immediately induce vomiting.
In case of contact, immediately flush eyes with plenty of water for
at least 15 minutes. Flush skin with water.

______________________________________________________________________

REACTIVITY DATA
______________________________________________________________________

STABILITY: Stable
HAZARDOUS POLYMERIZATION: Will not occur.
CONDITIONS TO AVOID: Heat
INCOMPATIBLES: Strong oxidizing agents
DECOMPOSITION PRODUCTS: Hydrogen chloride, oxides of nitrogen
______________________________________________________________________

SPILL AND DISPOSAL PROCEDURES 
______________________________________________________________________

STEPS TO BE TAKEN IN THE EVENT OF A SPILL OR DISCHARGE:
Wear self-contained breathing apparatus and full protective 
clothing. With clean shovel, carefully place material into clean,
dry container and cover; remove from area. Flush spill area with
water.

DISPOSAL PROCEDURES:
Dispose in accordance with all applicable Federal, State, and 
local environmental regulations.
______________________________________________________________________

INDUSTRIAL PROTECTIVE EQUIPMENT
______________________________________________________________________

VENTILATION: Use adequate general or local exhaust ventilation to
keep fume or dust levels as low as possible.

RESPIRATORY PROTECTION: 
None required where adequate ventilation conditions exist. If 
airborne concentration is high, use an appropriate respirator or 
dust mask.

EYE/SKIN PROTECTION: Safety glasses with sideshields, uniform, 
rubber gloves are recommended.
______________________________________________________________________

STORAGE AND HANDLING PRECAUTIONS
______________________________________________________________________

STORAGE COLOR CODE: Orange

SPECIAL PRECAUTIONS: Keep tightly closed. Suitable for any general
chemical storage area.
______________________________________________________________________

TRANSPORTATION DATA AND ADDITIONAL INFORMATION 
______________________________________________________________________

DOMESTIC (D.O.T.)

Proper Shipping Name Chemicals, n.o.s.

INTERNATIONAL (I.M.O.)

Proper shipping Name Chemicals, n.o.s.

N/A = Not Applicable or Not Available