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MSDS Material Safety Data Sheet
CAS

683-85-2

File Name: 683-85-2.asp

                              SIGMA-ALDRICH

Material Safety Data Sheet

Date Printed: 02/NOV/2005
Date Updated: 16/MAR/2004
Version 1.1
According to 91/155/EEC

Classified as Hazardous according to the criteria of EU Annex 1 and
NOHSC.

1 - Product and Company Information

Product Name DIMETHYLPHOSPHORAMIDOUS DICHLORIDE, 97%
Product Number 391638

Company Sigma-Aldrich Pty. Ltd.
12 Anella Avenue
Castle Hill NSW 2154
Australia
Technical Phone # +61 2 9841 0555 (1800 800 097)
Fax +61 2 9841 0500 (1800 800 096)
Emergency Phone # +44 8701906777 (1800 448 465)

2 - Composition/Information on Ingredients

Product Name CAS # EC no Annex I
Index Number
DIMETHYLPHOSPHORAMIDOUS 683-85-2 None None
DICHLORIDE, 97%

Formula C2H6Cl2NP
Molecular Weight 145.96 AMU

3 - Hazards Identification

SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
Highly flammable. Reacts violently with water. Causes burns.


4 - First Aid Measures

AFTER INHALATION
If inhaled, remove to fresh air. If not breathing give
artificial respiration. If breathing is difficult, give oxygen.

AFTER EYE CONTACT
Assure adequate flushing of the eyes by separating the eyelids
with fingers.

AFTER INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.

5 - Fire Fighting Measures

EXTINGUISHING MEDIA
Suitable: Carbon dioxide, dry chemical powder, or appropriate
foam.

SPECIAL RISKS
Specific Hazard(s): Flammable liquid. Emits toxic fumes under
fire conditions. Vapor may travel considerable distance to
source of ignition and flash back.
Explosion Hazards: Vapor may travel considerable distance to
source of ignition and flash back. Container explosion may occur
under fire conditions.

SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
Wear self-contained breathing apparatus and protective clothing
to prevent contact with skin and eyes.

6 - Accidental Release Measures

PERSONAL PRECAUTION PROCEDURES TO BE FOLLOWED IN CASE OF LEAK OR SPILL
Evacuate area. Shut off all sources of ignition.

PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear self-contained breathing apparatus, rubber boots, and heavy
rubber gloves.

METHODS FOR CLEANING UP
Absorb on sand or vermiculite and place in closed containers for
disposal. Ventilate area and wash spill site after material
pickup is complete.

7 - Handling and Storage

HANDLING
Directions for Safe Handling: Do not breathe vapor. Do not get
in eyes, on skin, on clothing. Avoid prolonged or repeated
exposure.

STORAGE
Conditions of Storage: Keep tightly closed. Keep away from heat,
sparks, and open flame. Store in a cool dry place. Handle and
store under nitrogen.
Incompatible Materials: Do not allow contact with water
Store at 2-8掳C

8 - Exposure Controls / Personal Protection

ENGINEERING CONTROLS
Safety shower and eye bath. Use only in a chemical fume hood.

GENERAL HYGIENE MEASURES
Wash contaminated clothing before reuse. Discard contaminated
shoes. Wash thoroughly after handling.

PERSONAL PROTECTIVE EQUIPMENT
Special Protective Measures: Wear appropriate government approved
respirator, chemical-resistant gloves, safety goggles, other
protective clothing. Faceshield (8-inch minimum).

9 - Physical and Chemical Properties

Appearance N/A

Property Value At Temperature or Pressure

pH N/A
BP/BP Range 150 掳C 760 mmHg
MP/MP Range N/A


ALDRICH - 391638 www.sigma-aldrich.com Page 2
Flash Point - 23.0 掳C Method: closed cup
Flammability N/A
Autoignition Temp N/A
Oxidizing Properties N/A
Explosive Properties N/A
Explosion Limits N/A
Vapor Pressure N/A
SG/Density 1.271 g/cm3
Partition Coefficient N/A
Viscosity N/A
Vapor Density N/A
Saturated Vapor Conc. N/A
Evaporation Rate N/A
Bulk Density N/A
Decomposition Temp. N/A
Solvent Content N/A
Water Content N/A
Surface Tension N/A
Conductivity N/A
Miscellaneous Data N/A
Solubility N/A

10 - Stability and Reactivity

STABILITY
Reactions to Avoid: Reacts violently with:
Materials to Avoid: Water, Strong oxidizing agents.

HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Phosphorous oxides, Hydrogen
chloride gas, Nitrogen oxides Carbon monoxide, Carbon dioxide.

11 - Toxicological Information

SIGNS AND SYMPTOMS OF EXPOSURE
To the best of our knowledge, the chemical, physical, and
toxicological properties have not been thoroughly investigated.
Symptoms of exposure may include burning sensation, coughing,
wheezing, laryngitis, shortness of breath, headache, nausea, and
vomiting. Inhalation may result in spasm, inflammation and edema
of the larynxand bronchi, chemical pneumonitis, and pulmonary
edema. Material is extremely destructive to tissue of the mucous
membranes and upper respiratory tract, eyes, and skin.

ROUTE OF EXPOSURE
Multiple Routes: Harmful if swallowed, inhaled, or absorbed
through skin.

12 - Ecological Information

No data available.

13 - Disposal Considerations

SUBSTANCE DISPOSAL
Burn in a chemical incinerator equipped with an afterburner and
scrubber but exert extra care in igniting as this material is
highly flammable. Observe all federal, state, and local
environmental regulations.

14 - Transport Information



ALDRICH - 391638 www.sigma-aldrich.com Page 3
RID/ADR
UN#: 2924
Class: 3
PG: II
Subrisk: 8
Proper Shipping Name: Flammable liquid, corrosive,
n.o.s.

IMDG
UN#: 2924
Class: 3
PG: II
Subrisk: 8
Proper Shipping Name: FLAMMABLE LIQUID, CORROSIVE,
N.O.S.
Marine Pollutant: No
Severe Marine Pollutant: No
Technical Name: Required

IATA
UN#: 2924
Class: 3
PG: II
Subrisk: 8
Proper Shipping Name: Flammable liquid, corrosive,
n.o.s.
Inhalation Packing Group I: No
Technical Name: Required

15 - Regulatory Information

CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
INDICATION OF DANGER: F-C
Highly Flammable. Corrosive.
R-PHRASES: 11-14-34
Highly flammable. Reacts violently with water. Causes burns.
S-PHRASES: 16-23-26-27-36/37/39-45
Keep away from sources of ignition - no smoking. Do not breathe
vapor. In case of contact with eyes, rinse immediately with
plenty of water and seek medical advice. Take off immediately
all contaminated clothing. Wear suitable protective clothing,
gloves, and eye/face protection. In case of accident or if you
feel unwell, seek medical advice immediately (show the label
where possible).

16 - Other Information

WARRANTY
The above information is believed to be correct but does not
purport to be all inclusive and shall be used only as a guide. The
information in this document is based on the present state of our
knowledge and is applicable to the product with regard to
appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Sigma-Aldrich Inc.,
shall not be held liable for any damage resulting from handling or
from contact with the above product. See reverse side of invoice
or packing slip for additional terms and conditions of sale.
Copyright 2005 Sigma-Aldrich Co. License granted to make unlimited
paper copies for internal use only.

DISCLAIMER
For R&D use only. Not for drug, household or other uses.


ALDRICH - 391638 www.sigma-aldrich.com Page 4
ALDRICH - 391638 www.sigma-aldrich.com Page 5

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