MATERIAL SAFETY DATA SHEET
FOR
THORN SMITH LABORATORIES
Eriochrome Black T Indicator Tablets
in NaCl
Catalog# 88-3025
Auric Enterprises, Inc.
d/b/a Thorn Smith Laboratories
7755 Narrow Gauge Road
Beulah, MI 49617-9792
Phone Number: 231-882-4672
Fax Number: 231-882-4804
MSDS Number: TSL-504
Date Prepared: March 24, 2004
Date Updated: June 23, 2009
SECTION I ?MATERIAL IDENTIFICATION AND INFORMATION
Primary Use: As an indicator for the determination of total hardness of water and of magnesium
in Cast Iron.
COMPONENTS ?Chemical Name & Common Names
(Hazardous Components 1% or greater; Carcinogens 0.1% or greater)
Sodium Chloride 99.6%
Formula: NaCl
CAS No.: 7647-14-5
OSHA PEL: According to our sources, exposure threshold levels have
not be established. (N/E)
Eriochrome Black T (Solochrome Black) 0.4%
CAS No.: 1787-61-7
OSHA PEL: According to our sources, exposure threshold levels have
not be established. (N/E)
SECTION II ?PHYSICAL/CHEMICAL CHARACTERISTICS
Boiling Point: N/A
Specific Gravity (H2O=1) @ 55oC: N/A
Vapor Pressure (mm Hg and Temperature): N/A
802oC
Melting Point:
Vapor Density (Air=1): N/A
Evaporation Rate (__=1): N/A
Solubility in Water: N/A
Water Reactive: No
Appearance and Odor: Brown tablets, having no odor.
SECTION III ?FIRE AND EXPLOSION HAZARD DATA
Flash Point and Method Used: N/A
Auto-Ignition Temperature: N/A
Flammability Limits in Air (% by Volume): Non-combustible.
LEL: N/A UEL: N/A
Extinguisher Media: Water spray. Carbon Dioxide, dry chemical powder
or appropriate foam.
Special Fire Fighting Procedures: Wear self-contained breathing apparatus and
protective clothing to prevent contact with eyes and
skin.
Unusual Fire and Explosion Hazards: N/A
Toxic Gases Produces: May evolve irritant or toxic fumes in fire.
SECTION IV ?REACTIVITY HAZARD DATA
This material is highly hygroscopic above 75% relative humidity.
STABILITY: __X__ Stable _____ Unstable
Conditions to Avoid: None identified.
Incompatibility (Materials to Avoid): Hydrogen chloride gas is evolved with sulfuric
and nitric acids.
Hazardous Decomposition Products: N/A
HAZARDOUS POLYMERIZATION: _____ May Occur __X__ Will Not Occur
SECTION V ?HEALTH HAZARD DATA
PRIMARY ROUTES OF ENTRY:
__X__ Inhalation __X__ Ingestion __X__ Skin Contact __X__ Eye Contact
_____ Not Hazardous
CARCINOGENS LISTED IN:
____ NTP _____ OSHA _____ IARC Monograph __X__ Not Listed
TOXICITY: Low
HEALTH HAZARDS ?Acute and Chronic:
Signs and Symptoms of Exposure: May cause irritation to skin and eyes. May cause
staining. May be harmful and cause nausea, vomiting, and diarrhea if ingested in
large quantities.
Medical Conditions Generally Aggravated by Exposure: None identified.
EMERGENCY FIRST AID PROCEDURES ?Seek medical assistance for further treatment,
observation, and support if necessary.
Inhalation: Remove from exposure, rest and keep warm. In severe cases, obtain medical
attention.
Ingestion: Wash mouth out thoroughly with water and give plenty to drink. Obtain medical
attention.
Skin Contact: Remove any contaminated clothing and shoes. Flush with copious amounts of
water for at least 15 minutes. In severe cases, obtain medical attention.
Eye Contact: Irrigate with copious amounts of water for at least 10 minutes. Assure adequate
flushing by separating the eyelids with fingers. If discomfort persists obtain
medical attention.
SARA TITLE III HAZARD CATEGORIES AND LISTS
Acute: Yes Chronic: No Flammability: No Pressure: No
Reactivity: Hydrogen chloride gas is evolved with sulfuric and nitric acids.
Extremely Hazardous Substance: No
CERCLA Hazardous Substance: No
SARA 313 Toxic Chemicals: No
TSCA Inventory: No
SECTION VI ?CONTROL AND PROTECTIVE MEASURES
Respiratory Protection (Specify Type): NIOSH/MSHA-approved Respirator: mechanical
exhaust.
Protective Gloves: Wear compatible chemical-resistant gloves.
Eye Protection: Wear chemical safety goggles.
Ventilation to be used: Use only with a chemical fume hood.
__X__ Local Exhaust __X__ Mechanical (General) _____ Special
____ Other
Other protective clothing and equipment: Wear clean body-covering clothing.
Emergency eyewash should be available.
Hygienic Work Practices: Avoid contact with eyes, skin, and clothing. Keep container closed
when not in use. Use with adequate ventilation. Wash thoroughly after handling and
before eating, drinking, or smoking.
SECTION VII ?PRECAUTIONS FOR SAFE HANDLING AND USE/LEAK PROCEDURES
Steps to be taken if material is spilled or released: Wear protective equipment. Ventilate area
and wash spill site after material pick-up is complete. Sweep up, place in bag and hold
for waste disposal.
Waste Disposal Methods: Chemical residues are generally classified as special waste, and as
such are covered by Federal, State, and Local regulations which vary according to
location. Contact your local waste disposal authority for advice, or pass to a chemical
disposal company. Rinse out empty containers thoroughly before recycling.
Precautions to be taken in handling and storage: Keep in tightly closed container. Polythene
and stainless steel are also suitable as storage media, but aluminum, brass, tin and zinc
are not. Store in accordance with all applicable local, state and federal environmental
regulations.
Other precautions and/or special hazards: Keep away from strong acids.
NFPA Rating: Health: 2 Flammability: 0 Reactivity: 0.
HMIS Rating: No information found.
SECTION VIII ?TRANSPORTAION DATA AND ADDITONAL INFORMATION
Domestic (D.O.T.)
Proper Shipping Name: Chemicals, n.o.s. (Non-regulated)
The information published in this Material Safety Data Sheet has been compiled from our
experience and data presented in various technical publications. It is the user's responsibility to
determine the suitability of this information for the adoption of necessary safety precautions. We
make no warranty of merchantability or any other warranty, expressed or implied, with respect to
such information, and assume no liability resulting from its use. We reserve the right to revise
Material Safety Data Sheets periodically as new information becomes available.
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