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MSDS Material Safety Data Sheet
CAS

24424-99-5

File Name: atul_co_in---diboc97%.asp
                    MSDS for Di-tert-butyl dicarbonate, 97%

**** MATERIAL SAFETY DATA SHEET ****

Di-tert-butyl dicarbonate, 97%

Section 1 - Chemical Product and Company Identification

MSDS Name Di-tert-butyl dicarbonate, 97%

Synonyms Di-tert-butyl pyrocarbonate
Atul Ltd - PP Site
Company Identification
P.O. Atul 3960 20
Dist -Valsad
Gujarat, India

Telephone nos 0091 2632 33621 / 33269 /
33205
Section 2 - Composition, Information on Ingredients

CAS# Chemical Name % EINECS#

24424-99-5 Di-tert-butyl dicarbonate 97% 246-240-1

Hazard Symbols: T+
Risk Phrases: 10 26 36/37/38 43
Section 3 - Hazards Identification

EMERGENCY OVERVIEW

Flammable. Very toxic by inhalation. Irritating to eyes, respiratory system and skin.
May cause sensitization by skin contact.

POTENTIAL HEALTH EFFECTS

Eye Causes eye irritation.

Skin May cause skin irritation. May be harmful if absorbed through the skin.
May cause sensitization by skin contact.

Ingestio May cause irritation of the digestive tract. May be harmful if swallowed.
n

Inhalati May be fatal if inhaled. Causes respiratory tract irritation.
on

Chronic Not available.

Section 4 - First aid Measures
Eyes Flush eyes with plenty of water for at least 15 minutes, occasionally lifting
the upper and lower eyelids. Get medical aid.

Skin Get medical aid. Flush skin with plenty of soap and water for at least 15
minutes while removing contaminated clothing and shoes.

Ingesti Get medical aid. Wash mouth out with water.
on

Inhalati Get medical aid immediately. Remove from exposure to fresh air
immediately. If not breathing, give artificial respiration. If breathing is
on
difficult, give oxygen.

Notes Treat symptomatically and supportively.
to
Physici
an

Section 5 - Fire Fighting Measures

General Containers can build up pressure if exposed to heat and/or fire. As in
Informatio any fire, wear a self-contained breathing apparatus in pressure-
demand, MSHA/NIOSH (approved or equivalent), and full protective
n
gear. Vapors may form an explosive mixture with air.
Vapors can travel to a source of ignition and flash back. Containers
may explode in the heat of a fire. Flammable solid.

Extinguishi Use water spray to cool fire-exposed containers. Use foam, dry
ng Media chemical, or carbon dioxide. Water may be ineffective.

Section 6 - Accidental Release Measures

General Use proper personal protective equipment as indicated in Section 8.
Informati
on

Spills/Le Vacuum or sweep up material and place into a suitable disposal
aks container. Remove all sources of ignition. Use a spark-proof tool.



Section 7 - Handling and Storage

Handlin Use spark-proof tools and explosion proof equipment. Do not breathe dust,
vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in
g
a chemical fume hood.

Storage Keep away from sources of ignition. Store in a tightly closed container.
Store in a dry area. Refrigerator/flammables.
Section 8 - Exposure Controls, Personal Protection

Engineeri Facilities storing or utilizing this material should be equipped with an
ng eyewash facility and a safety shower. Use adequate general or local
Controls explosion-proof ventilation to keep airborne levels to acceptable levels.

PERSONAL PROTECTIVE EQUIPMENT

Eyes Wear chemical goggles.

Skin Wear appropriate protective gloves to prevent skin exposure.

Clothing Wear appropriate protective clothing to prevent skin exposure.

Respirato Follow the OSHA respirator regulations found in 29CFR 1910.134 or
European Standard EN 149. Always use a NIOSH or European Standard
rs
EN 149 approved respirator when necessary.

Section 9 - Physical and Chemical Properties

Physical State Solid

Appearance white

Odor characteristic odor

pH Not available.

Vapor Pressure 1.33 hPa @70 deg C

Viscosity Not available.

Boiling Point 56 - 57 deg C @ 0.50 mmHg

Freezing/Melting Point 22-24 deg C

Autoignition Temperature 460 deg C ( 860.00 deg F)

Flash Point 37 deg C ( 98.60 deg F)

Explosion Limits, lower Not available.

Explosion Limits, upper Not available.

Decomposition Temperature

Solubility insoluble

Specific Gravity/Density 1.02g/cm3

Molecular Formula C10H18O5
Molecular Weight 218.25

Section 10 - Stability and Reactivity

Chemical Stability Stable under normal temperatures and pressures.

Conditions to Avoid Incompatible materials, light, ignition sources, exposure
to moist air or water.

Incompatibilities with Oxidizing agents, reducing agents, acids, bases.
Other Materials

Hazardous Carbon monoxide, carbon dioxide, n-butanol,
Decomposition Products isobutylene.


Hazardous Will not occur.
Polymerization

Section 11 - Toxicological Information

RTECS# CAS# 24424-99-5: HT0230000

LD50/LC50 CAS# 24424-99-5: Inhalation, rat: LC50 = 100 mg/m3/4H.

Carcinogeni Di-tert-butyl dicarbonate - Not listed by ACGIH, IARC, NIOSH, NTP,
or OSHA.
city
See actual entry in RTECS for complete information.

Section 12 - Ecological Information

Other Avoid entering into waters or underground water. Do not empty into drains.


Section 13 - Disposal Considerations

Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - Transport Information

IATA IMO RID/ADR

Shipping TOXIC SOLID, TOXIC SOLID, TOXIC SOLID,
Name: FLAMMABLE, ORGANIC, FLAMMABLE, FLAMMABLE,
N.O.S.* ORGANIC, N.O.S. ORGANIC, N.O.S.

Hazard 6.1 6.1 -
Class:

UN 2930 2930 2930
Number:
Packing I I -
Group:

Dangerous - - 6.1
Goods
Code:

Section 15 - Regulatory Information
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T+
Risk Phrases:
R 10 Flammable.
R 26 Very toxic by inhalation.
R 36/37/38 Irritating to eyes, respiratory system
and skin.
R 43 May cause sensitization by skin contact.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
S 24 Avoid contact with skin.
S 37/39 Wear suitable gloves and eye/face
protection.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 24424-99-5: No information available.
United Kingdom Occupational Exposure Limits

Canada
CAS# 24424-99-5 is listed on Canada's DSL List.
CAS# 24424-99-5 is not listed on Canada's Ingredient Disclosure
List.
Exposure Limits
US FEDERAL
TSCA
CAS# 24424-99-5 is listed on the TSCA inventory.

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