Product ID:SILICA 1 REAGENT,270-26
MSDS Date:06/10/1997
FSC:6810
NIIN:01-169-1773
MSDS Number: CFYFX

HACH CO.

100 DAYTON RD.
AMES, IA 50010-6402
US

Emergency Phone: 800-227-4224/303-623-5716;POISONCNT

Info Phone: 800-227-4224

Cage: 4T252

MEHRTRONICS INC

BARRINGTON, NJ 08007 US

Telephone: 856-672-0663

Cage: 01NQ2

SODIUM BISULFATE MONOHYDRATE

CAS: 10034-88-5

RTECS: VZ1870000

Fraction By Weight: <10%

SULFURIC ACID (SARA 302/313) (CERCLA)

CAS: 7664-93-9

RTECS: WS5600000

Fraction By Weight: <10%

OSHA PEL 1 MG/M3

ACGIH TLV: 1 MG/M3/3 STEL; 9596

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

MOLYBDIC ACID

CAS: 7782-91-4

Fraction By Weight: <10%

WATER

CAS: 7732-18-5

RTECS: ZC0110000

Fraction By Weight: TO 100%

OSHA PEL NOT RELEVANT

ACGIH TLV: NOT RELEVANT

LD50 LC50 Mixture:LD50 (ORAL, RAT) IS UNKNOWN.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS:LUNGS, NASAL CAVITY,
LARYNX, TEETH. ACUTE- MAY BE CORROSIVE TO EYES, IRRITATING TO SKIN
& RESPIRATORY TRACT. INHALATION OF MIST/VAPOR MAY CAUSE EROSION OF
TEETH, MOUTH SORNESS. MOLYBDENU M COMPOUNDS MAY CAUSE LOSS OF
COORDINATION, ANEMIA, COPPER DEFICIENCY. INGESTION CAUSES BURNS.
CHRONIC- TEETH EROSION.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, BURNS, PAIN, COUGH
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING SKIN
DISORDERS, EYE PROBLEMS OR IMPAIRED KIDNEY OR RESPIRATORY FUNCTION
MAY BE MORE SUSCEPTIBLE TO THE EFFECTS OF THIS PRODUCT.

First Aid:GET MEDICAL ATTENTION IF SYMPTOMS PERSIST. EYES:IMMEDIATELY
FLUSH WITH WATER FOR 15 MINUTES. HOLD EYELIDS OPEN. CALL PHYSICIAN.
SKIN:FLUSH WITH PLENTY OF WATER. INHALED:MOVE TO FRESH AIR. PROVIDE
CPR/ OXYGEN IF NECESSARY. ORAL:DO NOT INDUCEVOMITING. IF CONSCIOUS,
RINSE MOUTH WITH WATER. DRINK 1-2 GLASSES OF WATER. CALL PHYSICIAN
AT ONCE. NEVER GIVE ANYTHING BY MOUTH TO AN UNCONSCIOUS PERSON.

Extinguishing Media:USE MEDIA APPROPRIATE FOR SURROUNDING FIRE
CONDITIONS.
Unusual Fire/Explosion Hazard:NONE REPORTED.

Spill Release Procedures:WEAR PROPER PROTECTIVE EQUIPMENT. VENTILATE
AREA. DO NOT RELEASE INTO SOIL, SEWER, STREAM. COVER SPILL WITH
EXCESS SODA ASH. SCOOP SLURRY TO BEAKER. ADJUST PH TO 6 AND 9.
FLUSH TO THE DRAIN WITH EXCES S WATER. WASH SITE WITH AN ALKALI
SOLUTION.
Neutralizing Agent:SODA ASH, SODIUM BICARBONATE

Handling and Storage Precautions:STORE IN COOL PLACE AWAY FROM
INCOMPATIBLE MATERIALS. KEEP CONTAINER TIGHTLY CLOSED WHEN NOT IN
USE. DO NOT REMOVE LABEL.
Other Precautions:CORROSIVE. DO NOT GET IN EYES, ON SKIN, ON CLOTHING.
AVOID BREATHING VAPORS/MIST. USE WITH ADEQUATE VENTILATION. EMPTY
CONTAINERS RETAIN RESIDUE. KEEP OUT OF REACH OF CHILDREN. DO NOT
INGEST.

Respiratory Protection:NONE NORMALLY REQUIRED. IF TLV IS EXCEEDED OR
FOR SYMPTOMS OF OVER EXPOSURE, WEAR NIOSH-APPROVED ACID MIST
RESPIRATOR. IN EMERGENCY, WEAR A NIOSH-APPROVED POSITIVE-PRESSURE
SELF-CONTAINED BREATHING AP PARATUS.
Ventilation:USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET TLV
REQUIREMENTS.
Protective Gloves:BUTYL RUBBER, PVC OR NITRILE
Eye Protection:SAFETY GLASSES+SIDE SHIELD/CHEM GOGGLES
Other Protective Equipment:USE RUBBER SPLASH APRON AND RUBBER BOOTS.
EYEWASH AND SAFETY SHOWER SHOULD BE LOCATED NEARBY.
Work Hygienic Practices:OBSERVE GOOD INDUSTRIAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES. WASH THOROUGHLY BEFORE EATING,
DRINKING/SMOKING.
Supplemental Safety and Health

HCC:C1
NRC/State Lic Num:NOT RELEVANT
Boiling Pt:=180.C, 356.F
Spec Gravity:1.2
pH:<0.5
Solubility in Water:MISCIBLE
Appearance and Odor:CLEAR, COLORLESS LIQUID - ODORLESS
Corrosion Rate:0.564STEEL

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, STRONG BASES, STRONG REDUCING AGENTS
Stability Condition to Avoid:EXCESSIVE HEAT
Hazardous Decomposition Products:SULFUR OXIDES

Waste Disposal Methods:CONTACT FEDERAL, STATE AND LOCAL ENVIRONMENTAL
REGULATORS FOR GUIDANCE REGARDING PROPER DISPOSAL.

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assume responsibility for the suitability of this information to their
particular situation.