Product ID:DESCALER G5, 0364
MSDS Date:04/29/1992
FSC:6850
NIIN:00N061533
MSDS Number: BXZWT

NATIONAL CHEMSEARCH DIV NCH CORP

IRVING, TX 75015
US

Emergency Phone: 214-438-1381

Info Phone: 214-438-1381

Preparer: M. DICKSON

Cage: DO481

NATIONAL CHEMSEARCH DIV OF NCH CORP

152170 IRVING, TX 75015-5000 US

Telephone: 972-438-1381

Cage: DO481

HYDROGEN CHLORIDE; (HYDROCHLORIC ACID) (SARA 302/313)

CAS: 7647-01-0

RTECS: MW4025000

OSHA PEL 5 PPM, C

ACGIH TLV: 5 PPM, C

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

LARYNGITIS, GLOTTAL EDEMA, BRONCHITIS, PULMONARY

RTECS: 9999999ZZ

THIS MAY BE FOLLOWED W/RINSE W/SODIUM

RTECS: 9999999ZZ

FOOTWEAR & WASH CLTHG BEFORE REUSE. DISCARD FOOTWEAR

RTECS: 9999999ZZ

DO NOT INDUCE VOMIT. GIVE LG QTYS OF

RTECS: 9999999ZZ

GIVE ANYTHING BY MOUTH TO AN UNCONSCIOUS PERSON. SEEK

RTECS: 9999999ZZ

VOLUMES OF WATER.

RTECS: 9999999ZZ

PPM - CCRABF/GMAG/SAF/SCBAF.

RTECS: 9999999ZZ

OTHER CONTROLS TO MAINTAIN AIR CONC OF HYDROGEN

RTECS: 9999999ZZ

PVC OR OTHER PLASTIC GLOVES.

RTECS: 9999999ZZ

& FULL LENGTH FACESHIELD .

RTECS: 9999999ZZ

LD50 LC50 Mixture:LD50:(ORAL,RBT) 900 MG/KG.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE:INGEST CAUSES SEV BURNS OF MUC
MEMBS OF MOUTH, ESOPHAGUS & STOM. PAIN IN THROAT & STOM W/DFCLTY IN
SWALLOWING, INTENSE THIRST, NAUS & VOMIT FOLLOWED BY DIARR, ARE
COMMON. IN SEV CASES, THIS IS F OLLOWED BY COLLAPSE & UNCON. EYE
CONT CAUSES SEV IRRIT & PAINFUL BURNS OF EYES & EYELIDS. SKIN CONT
W/ (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:CONC CAUSES DESTRUCT OF CLTHG & SEV
BURNS UNLESS PROMPTLY WASHED OFF. RPTD SKIN CONT W/DILUTED PROD MAY
LEAD TO DEVEL OF DERM. INHAL OF EXCESSIVE CONC OF VAPS PRDCES SEV
IRRIT OF UPPER RESP T RACT W/COUGH, BURNING OF THROAT & CHOKING
SENSATION. CHRONIC:INGEST MAY PRDCE FATAL EFTS FROM
ESPHAGEAL/GASTRIC (SUPDAT)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:INHAL:GET PERS OUT OF CONTAM AREA TO FRESH AIR. IF BRTHG HAS
STOPPED, ARTF RESP SHOULD BE STARTED. OXYG MAY BE ADMIN, IF READILY
AVAIL. SEEK MED ATTN IMMED. EYE:IMMED FLUSH W/LG AMTS OF WATER FOR
AT L ST 15 MINS HOLDING EYELIDS APART TO ENSURE FLUSHING OF ENTIRE
SURF. WASHING W/IN 1 MIN IS ESSNTL TO ACHIEVE MAX EFTIVENESS. SEEK
MED ATTN IMMED. SKIN:IMMED WASH CONTAM SKIN W/PLENTY OF WATER. (ING
3)

Flash Point:NON-FLAMMABLE
Extinguishing Media:FOAM, "ALCOHOL" FOAM, CO*2, DRY CHEMICAL, WATER
SPRAY.
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT . HYDROCHLORIC ACID ITSELF IS NON-FLAMMABLE.
Unusual Fire/Explosion Hazard:A LATENT FIRE OR EXPLOSION HAZARD WHEN IN
CONTACT W/METALS DUE TO THE GENERATION OF HYDROGEN GAS.

Spill Release Procedures:SMALL QUANTITIES MAY BE FLUSHED W/COPIOUS
QUANTITIES OF WATER; IN CASE OF LARGER AMOUNTS, CONTAIN LIQUID. USE
LIMESTONE, LIME OR SODA ASH TO CAUTIOUSLY NEUTRALIZE.
Neutralizing Agent:SODA ASH-SLAKED LIME IS ADDED SLOWLY WHILE STIRRING.
FLUSH TO DRAIN W/LG (ING 7)

Handling and Storage Precautions:STORE INDOORS AT 120F (MAX), 32F (MIN)
TEMPERATURE. PREVENT ALL CONTACT W/EYES & SKIN. AVOID BREATHING
IRRITATING VAPORS.
Other Precautions:CORROSIVE. STORE IN A COOL, DRY PLACE. FOLLOW LABEL
DIRECTIONS. KEEP OUT OF REACH OF CHILDREN.

Respiratory Protection:NIOSH/MSHA APPRVD RESP PROT REQD IN ABSENCE OF
PROPER ENVIRON CONTROL. FOR EMERS, NIOSH/MSHA APPRVD SCBA/FULL FACE
RESP IS REC. IDLH LEVEL IS 100 PPM. REC NIOSH/MSHA APPRVD RESP
SELECTIONS:FOR EXPOS @ <50 PPM - CCRAG/SA/SCBA; @ <100 (ING 8)
Ventilation:GOOD INDUS HYGIENE PRACTICE DICTATES THAT WORK AREA SHOULD
BE ISOLATED & CNTND & PROVIDED W/ADEQ LOC EXHST VENT/ (ING 9)
Protective Gloves:RUBBER, SYNTHETIC ELASTOMERS, (ING 10)
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS(ING 11)
Other Protective Equipment:EYE WASH FOUNTAIN & DELUGE SHOWER WHICH MEET
ANSI DESIGN CRITERIA . PROTECTIVE CLOTHING TO PREVENT SKIN CONTACT.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
EFTS OF OVEREXP:NECROSIS. DENTAL DISCOLORATION & EROSION OF EXPOS
INCISORS OCCUR ON PRLNG EXPOS TO LOW CONCS OF HYDROCHLORIC ACID
VAPS. EYE EXPOS MAY RSLT IN PRLNG/PERM VISUAL IMPAIRMENT/TOTAL LOSS
OF SIGHT. SKIN EXPOS CAN YIELD ULCERATION& SUBSEQUENT SCARRING.
IRRIT EFT OF VAPS ON RESP TRACT MAY PRDCE (ING 2)

Boiling Pt:B.P. Text:220F,104C
Vapor Pres:20
Vapor Density:0.8
Spec Gravity:1.07 (H*2O=1)
pH:1
Evaporation Rate & Reference:0.1 (BUTYL ACETATE=1)
Solubility in Water:COMPLETE
Appearance and Odor:NON-VISCOUS, LIGHT AMBER, SLIGHTLY TURBID; PUNGENT
ACID ODOR.
Percent Volatiles by Volume:99

Stability Indicator/Materials to Avoid:YES
STRONG ALKALIS, ALKALI METALS, METALS:AL, TIN; OXIDIZING MATERIALS
OXIDIZE TO CHLORINE.
Stability Condition to Avoid:HCL GAS IS SLOWLY RELEASED FROM UNCONFINED
ACID. CONTACT W/METALS MAY CAUSE GENERATION OF EXPLOSIVE/FLAMMABLE
HYDROGEN.
Hazardous Decomposition Products:SILICONE DIOXIDE & TRACE OF
INCOMPLETELY BURNED CARBON PRODUCTS. TOXIC OXIDES OF NITROGEN.

Waste Disposal Methods:DISPOSE OF I/A/W ALL FEDERAL, STATE & LOCAL
REGULATIONS CONCERNING HEALTH & POLLUTION. DISPOSE OF VIA APPROVED
CHEMICAL WASTE DISPOSAL METHODS, IF REGULATIONS PERMIT.

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.