SDS

VIII. EXPOSURE CONTROLS AND PERSONAL PROTECTION (continued)
GLOVES Nitrile, neoprene, butyl rubber.
 RESPIRATORY Ifworkersareexposedtoconcentrationsabovetheexposurelimit,theymustuseappropriate,certiedrespirators.Useaproperlytted,air-
purifying or air-fed respirator complying with an approved standard if a risk assessment indicates this is necessary. Respirator selection must be
basedonknownoranticipatedexposurelevels,thehazardsoftheproductandthesafeworkinglimitsoftheselectedrespirator.
 SKIN Personalprotectiveequipmentforthebodyshouldbeselectedbasedonthetaskbeingperformedandtherisksinvolvedandshouldbeapproved
by a specialist before handling this product.
ENVIRONMENTALEXPOSURECONTROLS Emissionsfromventilation or workprocessequipment should becheckedto ensure theycomplywith the requirements oftheenvironmental
protectionlegislation.Insomecases,fumescrubbers,ltersorengineeringmodicationstotheprocessequipmentwillbenecessarytoreduce
emissions to acceptable levels.
IX. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE Solid
FLASH POINT Closed cup: Not applicable
DECOMPOSITION TEMPERATURE 170 TO 180°C (338 to 356°F)
MATERIAL SUPPORTS COMBUSTION Yes
COLOR White tablet with Blue Crystals
ODOR CHLORINE (Slight)
pH Alkaline
BOILING/CONDENSATION POINT Decomposes @ 170-180°C (338 to 356°F)
MELTING/FREEZING POINT Not available
SPECIFIC GRAVITY Not available
DENSITY (lbs/gal) Not available
BULK DENSITY (G/CM
3
) 1.07 to 1.4 (67-71 lbs/ft3)
VAPOR PRESSURE Not available
VAPOR DENSITY Not available
VOLATILITY 0% (w/w)
EVAPORATION RATE Not available
VISCOSITY Not applicable
SOLUBILITY Soluble in the following materials: cold water
WATER SOLUBILITY AT ROOM TEMPERATURE 217 g/l (27°C)
PARTITION COEFFICIENT NOCTANOL/WATER Not available
% SOLID (W/W) 100
X. STABILITY AND REACTIVITY
STABILITY Theproductmaynotbestableundercertainconditionsofstorageoruse.See“PossibilityofHazardousReactions”forfurtherinformation.
 Productdecomposesatapproximately170-180°C(338-356°F)releasingoxygengasandsomechlorinegas.
CONDITIONSTOAVOID Stableunderrecommendedstorageandhandlingconditions(seeSectionVII).Heatingmaycauseareorexplosion.Excessiveheatwillcause
decompositionresultinginthereleaseofoxygenandchlorinegas.
MATERIALSTOAVOID Highlyreactiveorincompatiblewiththefollowingmaterials:moisture,combustiblematerials,organicmaterials,metals,acids,alkalis,oxidizing
materials, reducing materials, ammonia, petroleum products, paint products, wood, paper and pool chemicals.
 Acidorammoniacontaminationwillreleasetoxicgases.
HAZARDOUS DECOMPOSITION PRODUCTS Product slowly releases chlorine gas.
POSSIBILITYOFHAZARDOUSREACTIONS Hazardousreactionsorinstabilitymayoccurundercertainconditionsofstorageoruse.
Conditions may include the following:
contact with combustible materials
contact with acids/ammonia
Reactions may include the following:
 riskofcausingorintensifyingre
 liberationoftoxicgas
XI. TOXICOLOGICAL INFORMATION
PERMISSIBLE NopermissibleexposurelimitshavebeenestablishedbyOSHA.
ACUTE
INHALATION Inhalation of this material is irritating to the nose, mouth, throat and lungs. It may also cause burns to the respiratory tract with the production of lung
edemawhichcanresultinshortnessofbreath,wheezing,choking,chestpainandimpairmentoflungfunction.Inhalationofhighconcentrations
canresultinpermanentlungdamage.Chronic(repeated)inhalationexposuremaycauseimpairmentoflungfunctionandpermanentlungdamage.
 EYE/SKIN Severeirritationand/orburnscanoccurfollowingeyeexposure.Contactmaycauseimpairmentofvisionandcornealdamage.Contactwithskin
may cause severe irritation, burns, or tissue destruction.
 INGESTION Irritationand/or burns canoccur to the entire gastrointestinal tract, including the stomach and intestines, characterizedby nausea, vomiting,
diarrhea, abdominal pain, bleeding, and/or tissue ulceration.
 CHRONIC Therearenoknownorreportede󰀨ectsfromchronicexposure.
XII. ECOLOGICAL INFORMATION
OVERVIEW Highlytoxictoshandotheraquaticorganisms
ECOLOGICAL TOXICITY VALUES FOR
CALCIUM HYPOCHLORITE
BLUEGILL Nominal, static - 96 h LC50 0.008 mg/l
RAINBOW TROUT (SALMO GAIRDNERI) Nominal, static - 96 h LC50 0.16 mg/l
DAPHNIA MAGNA Nominal, static - 48 h LC50 0.11 mg/l
 BOBWHITEQUAIL DietaryLC50>5,000ppm
MALLARD DUCKLINGS Oral LD50 3,474 mg/kg
 BOBWHITEQUAIL OralLD503,474mg/kg
ECOLOGICAL TOXICITY VALUES FOR
CALCIUM CHLORIDE
BLUEGILL Nominal, static - 96 h LC50 = 10,650 mg/l
 MOSQUITOFISH Nominal,static-96hLC50=13,400mg/l
FATHEAD MINNOW
(PIMEPHALES PROMELAS) Nominal, static - 96 h LC50 = 4,630 mg/l
DAPHNIA MAGNA Nominal, static - 48 h LC50 = 2,770 mg/l
SAFETY DATA SHEET
BLUE CRYSTAL
®
DISINFECTING TABLETS
DATE PREPARED: JANUARY 2020
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