Product ID:27026, SILICA 1 REAGENT
MSDS Date:07/11/1999
FSC:6810
NIIN:01-169-1773
Status Code:A
MSDS Number: CKWBY

HACH COMPANY

5600 LINDBERGH DR
LOVELAND, CO 80538
US

Emergency Phone: 303-623-5716

Info Phone: 970-669-3050/

Cage: 91224

PROTRONICS CORP

GREAT FALLS, MT 59405 US

Telephone: 406-452-0089

Cage: 06DN1

DEMINERALIZED WATER

CAS: 7732-18-5

RTECS: ZC0110000

MOLYBDIC ACID

CAS: 7782-91-4

OSHA PEL 10 MG/M2 (AS MO)

ACGIH TLV: 10 MG/M2 (AS MO)

SODIUM BISULFATE

CAS: 10034-88-5

RTECS: VZ1870000

SULFURIC ACID

CAS: 7664-93-9

RTECS: WS5600000

OSHA PEL 1 MG/M3

ACGIH TLV: 1 MG/M3

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

LD50 LC50 Mixture:NONE REPORTED
Routes of Entry: Inhalation:UNKNOWN Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:YES OSHA:NO
Health Hazards Acute and Chronic:EYE CONTACT: CAUSES EYE BURNS. SKIN
CONTACT: MAY CAUSE IRRITATION. SKIN ABSORPTION: NONE REPORTED.
INGESTION: MAY CAUSE BURNS , NAUSEA, VOMITING, DIARRHEA,
CIRCULATORY DISTURBANCES, RAPID PULSE AND RE SPIRATIONS, LOSS OF
APPETITE, ANEMIA, LIVER DAMAGE. MOLYBDENUM COMPOUNDS MAY CAUSE LOSS
OF COORDINATION, ENZYME ACTIVITY EFFECTS, COPPER DEFICIENCY AND
GOUT. INHALATION: MAY CAUSE: IRRITATION OF NOSE AND THROAT
DIFFICULT BREATHING, MOUTH SORENESS, TEETH EROSION, ANEMIA, LIVER
DAMAGE. CHRONIC: MOLYBDENUM POISONING SIGNS INCLUDE LOSS OF
APPETITE, LISTLESSNESS AND REDUCED GROWTH RATE.
Explanation of Carcinogenicity:SULFURIC ACID - THE IARC EVALUATION WAS
BASED ON EXPOSURE TO THE MIST OR VAPOR OF CONCENTRATED SULFURIC
ACID GENERATED DURING CHEMICAL PROCESSES. THIS PRODUCT DOES NOT
CONTAIN ANY OSHA LISTED CARCINOG ENS. THIS PRODUCT DOES NOT CONTAIN
ANY NTP LISTED CHEMICALS.
Effects of Overexposure:EYE: EYE BURNS. SKIN: IRRITATION. INGESTION:
BURNS , NAUSEA, VOMITING, DIARRHEA, CIRCULATORY DISTURBANCES, RAPID
PULSE AND RESPIRATIONS, LOSS OF APPETITE, ANEMIA, LIVER DAMAGE.
MOLYBDENUM COMPOUNDS MA Y CAUSE LOSS OF COORDINATION, ENZYME
ACTIVITY EFFECTS, COPPER DEFICIENCY AND GOUT. INHALATION: MAY
CAUSE: IRRITATION OF NOSE AND THROAT DIFFICULT BREATHING, MOUTH
SORENESS, TEETH EROSION, ANEMIA, LIVE R DAMAGE. CHRONIC: MOLYBDENUM
POISONING SIGNS INCLUDE LOSS OF APPETITE, LISTLESSNESS AND REDUCED
GROWTH RATE.
Medical Cond Aggravated by Exposure:PRE-EXISTING EYE CONDITIONS,
RESPIRATORY CONDITIONS, GOUT, LIVER CONDITIONS.

First Aid:EYE CONTACT: IMMEDIATELY FLUSH EYES WITH WATER FOR 15
MINUTES. CALL PHYSICIAN. SKIN CONTACT: WASH SKIN WITH PLENTY OF
WATER. CALL PHYSICIAN IF IRRITATION DEVELOPS. INGESTION: DO NOT
INDUCE VOMITING. G IVE 1-2 GLASSES OF WATER. CALL PHYSICIAN
IMMEDIATELY. NEVER GIVE ANYTING BY MOUTH TO AN UNCONSCIOUS PERSON.
INHALATION: REMOVE TO FRESH AIR.

Extinguishing Media:USE MEDIA APPROPRIATE TO SURROUNDING FIRE
CONDITIONS.
Fire Fighting Procedures:AS IN ANY FIRE, WEAR SELF-CONTAINED BREATHING
APPARATUS PRESSURE-DEMAND AND FULL PROTECTIVE GEAR. EVACUATE AREA
AND FIGHT FIRE FROM A SAFE DISTANCE.
Unusual Fire/Explosion Hazard:NONE REPORTED. MATERIAL WILL NOT BURN.
DURING A FIRE, CORROSIVE AND TOXIC GASES MAY BE GENERATED BY
THERMAL DECOMPOSITION.

Spill Release Procedures:ABSORB SPILLED LIQUID WITH NON-REACTIVE
SORBENT MATERIAL. STOP SPILLED MATERIAL FROM BEING RELEASED TO THE
ENVIRONMENT. COVER SPILLED MATERIAL WITH AN ALKALI. SCOOP UP
SPILLED MATERIAL INTO A CONTAINE R & DISSOLVE IN WATER. ADJUST TO A
PH BETWEEN 6 & 9. USE SULFURIC OR CITRIC ACID TO LOWER PH. USE SODA
ASH OR SODIUM BICARBONATE TO INCREASE PH. FLUSH REACTED MATERIAL TO
DRAIN WITH EXCESS WATER.
Neutralizing Agent:SODA ASH, SODIUM BICARBONATE.

Handling and Storage Precautions:AVOID CONTACT WITH EYES, SKIN,
CLOTHING. DO NOT BREATHE MIST OR VAPORS. WASH THOROUGHLY AFTER
HANDLING. USE WITH ADEQUATE VENTILATION. MAINTAIN GENERAL
INDUSTRIAL HYGIENE PRACTICES WHEN USING THIS PRO DUCT. STORAGE:
STORE BETWEEN 10 AND 25 C. KEEP AWAY FRON: OXIDIZERS, REDUCERS,
ALKALIES.
Other Precautions:FLAMMABILITY CLASS: NOT APPLICABLE.

Respiratory Protection:ADEQUATE VENTILATION.
Ventilation:USE GENERAL VENTILATION TO MINIMIZE EXPOSURE TO MIST, VAPOR
OR DUST.
Protective Gloves:DISPOSABLE LATEX GLOVES
Eye Protection:CHEMICAL SPLASH GOGGLES.
Other Protective Equipment:HAVE AN EYEWASH STATION NEARBY.
Work Hygienic Practices:MAINTAIN GENERAL INDUSTRIAL HYGIENE PRACTICES
WHEN USING THIS PRODUCT.
Supplemental Safety and Health
AVOID CONTACT WITH: EYES, SKIN, CLOTHING. DO NOT BREATHE: MIST, VAPOR.
WASH THOROUGHLY AFTER AHNDLING. USE WITH ADEQUATE VENTILATION. KEEP
AWAY FROM: OXIDIZERS, REDUCERS, ALKALIES. TLV: NOT ESTABLISHE D.
PEL: NOT ESTABLISHED.

HCC:C1
Boiling Pt:B.P. Text:NOT DETERMINED
Melt/Freeze Pt:=-100.C, -148.F
Vapor Pres:N/D
Vapor Density:N/D
Spec Gravity:1.14 - 1.21
pH:<0.5
Evaporation Rate & Reference:NOT DETERMINED
Solubility in Water:MISCIBLE
Appearance and Odor:CLEAR, COLORLESS LIQUID, NO ODOR

Stability Indicator/Materials to Avoid:YES
HEATING TO DECOMPOSITION. MAY REACT WITH: OXIDIZERS, REDUCERS, STRONG
BASES.
Stability Condition to Avoid:STABLE WHEN STORED UNDER PROPER
CONDITIONS.
Hazardous Decomposition Products:HEATING TO DECOMPOSITION RELEASES
TOXIC AND/OR CORROSIVE FUMES OF: SULFUR OXIDES.
Conditions to Avoid Polymerization:WILL NOT OCCUR.

Waste Disposal Methods:DILUTE TO 3 TO 5 TIMES THE VOLUME WITH COLD
WATER. ADJUST TO A PH BETWEEN 6 AND 9 WITH AN ALKALI, SUCH AS SODA
ASH OR SODIUM BICARBONATE. OPEN COLD WATER TAP COMPLETELY, SLOWLY
POUR THE REACTED MATERI AL TO THE DRAIN. ALLOW COLD WATER TO RUN
FOR 5 MINUTES TO COMPLETELY FLUSH THE SYSTEM.

Toxicological Information:PRODUCT TOXICOLOGICAL DATA: LD50: NONE
REPORTED. LC50: NONE REPORTED. DERMAL TOXICITY: NONE REPORTED.SKIN
& EYE IRRITATION DATA: NONE REPORTED.MUTATION DATA: NONE
REPORTED.REPRODUCTIVE EFFECTS DATA: N ONE REPORTED. INGREDIENT
TOXICOLOGICAL DATA: SULFURIC ACID: ORAL RAT LD50=2140 MG/KG;
INHALATION RAT LC50=347 PPM/1 HR. SODIM BISULFITE: ORAL RAT
LD50=2828 MG/KG; ORAL RAT LD50=1600 MG/KG.

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Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.

Ecological:PRODUCT ECOLOGICAL INFORMATION: NO ECOLOGICAL DATA AVAILABLE
FOR THIS PRODUCT. INGREDIENT ECOLOGICAL INFORMATION: SULFURIC ACID:
THE 48-HOUR TLM IN FLOUNDER IS 100-300 PPM.

Transport Information:DOT PROPER SHIPPING NAME: CORROSIVE LIQUID,
ACIDIC, INORGANIC, N.O.S. (SULFURIC ACID/SODIUM BISULPHATE
SOLUTION). DOT HAZARD CLASS: 8. DOT SUBSIDIARY RISK: N/A. DOT ID
NUMBER: UN3264. DOT PACKING GROU P: III. ICAO PROPER SHIPPING NAME:
CORROSIVE LIQUID, ACIDIC, INORGANIC, N.O.S. (SULFURIC ACID/SODIUM
BISULPHATE SOLUTION). ICAO HAZARD CLASS: 8. ICAO SUBSIDIARY RISK:
N/A. ICAO ID NUMBER: UN3264. ICAO PACKING GROUP: III. IMO PROPER
SHIPPING NAME: CORROSIVE LIQUID, ACIDIC, INORGANIC, N.O.S.
(SULFURIC ACID/SODIUM BISULPHATE SOLUTION). IMO HAZARD CLASS: 8.
IMO SUBSIDIARY RISK: N/A. IMO ID NUMBER: UN3 264. IMO PACKING
GROUP: III.

SARA Title III Information:SARA TITLE III SECTION 311/312
CATEGORIZATION (40 CFR 370): IMMEDIATE (ACUTE) HEALTH HAZARD,
DELAYED (CHRONIC) HEALTH HAZARD. SARA TITLE III SECTION 313 (40 CFR
372): THIS PRODUCT DOES NOT CONTAIN ANY CHEMICAL SUBJECT TO THE
REPORTING REQUIREMENTS OF SECTION 313 OF TITLE III OF SARA. 302
(EHS) TPQ (40 CFR 355): SULFURIC ACID-1000 LBS. 304 CERCLA RQ (40
CFR 302.4): SULFURIC ACID-1000 LBS. 304 EHS R Q (40 CFR 355): NOT
APPLICABLE.
Federal Regulatory Information:CLEAN WATER ACT (40 CFR 116.4): SULFURIC
ACID-RQ 1000 LBS. RCRA: CONTAINS RCRA REGULATED SUBSTANCES. EPA
WASTE ID NUMBER: D002. CPSC: NOT APPLICABLE. US INVENTORY STATUS:
ALL INGREDIENTS IN THIS PRODU CT ARE LISTED IN THE TSCA 8(B)
INVENTORY (40 CFR 710). TSCA CAS NUMBER: NOT APPLICABLE.
State Regulatory Information:CALIFORNIA PROPOSITION 65: NO PROPOSITION
65 LISTED CHEMICALS ARE PRESENT IN THIS PRODUCT. IDENTIFICATION OF
PROPOSITION 65 INGREDIENT(S): NONE.