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StoreX
Series
STX_V078.doc
55
CMa,
23.11.2009
6.5
About other Hazardous Substances
6.5.1
DMSO (Dimethyl Sulfoxide)
Properties of DMSO (Dimethyl Sulfoxide)
DMSO (Dimethyl Sulfoxide) is often used in cooled dry storages like the StoreX
DC. DMSO is used in the synthesis of important pharmaceuticals such as
Ranitidine, Clarithromycin and Ioverso. Important herbicides made with DMSO
are: acifluorfen, oxyfluorfen, lactofen and haloxyfop. DMSO is a clear, colorless
liquid with a garlic/onion-like odor that is quickly absorbed through the skin and is
capable of transporting other dissolved chemicals or dissolved toxins into the
body.
Boiling Point @ 1 atm
189°C (372.2ºF)
Freezing Point @ 1 atm
18.4°C (65.1ºF)
Vapor Pressure @20°C
0.556 mbar
Solubility
DMSO is totally soluble in water,
light alcohols and diethylether
Flash Point
88°C (190°F)
Auto-ignition Temperature
215°C (419ºF)
Lower Explosion Limit
48.5% vol. in air
Upper Explosion Limit
2.6% vol. in air
Specific Gravity
1.104
Health Hazard Data of DMSO
The main danger of DMSO lies in its ability to transport dissolved chemicals into
the body. DMSO can cause itching, redness, scaling and hives on the skin.
DMSO can cause irritation in the case of eye contact . Inhalation may cause
respiratory tract irritation, headache, nausea, dizziness and drowsiness.
Ingestion will lead to dizziness, drowsiness, nausea, vomiting, cramps and chills.
Long-term or delayed effects are damage to the liver and kidneys.
In the case of accidental contact of DMSO with the skin remove contaminated
clothing, rinse skin thoroughly and contact a physician. Should DMSO get into
the eyes rinse thoroughly with water and contact a physician. After accidental
inhalation move victim from exposure area to fresh air. If breathing has stopped
artificial respiration should be administered. Seek professional medical
assistance. On ingestion contact a physician immediately. Do not induce
vomiting.
DMSO has unusual fire and explosion hazards. Under fire conditions DMSO
emits toxic fumes. DMSO undergoes a violent reaction in mixing with a wide
variety of materials such as copper, wool, chloride, silicon. When heated to
above its boiling point DMSO degrades, giving off formaldehyde, methyl
mercaptan and sulfur dioxide.
Wear a respirator, chemical safety goggles, rubber boots and heavy rubber
gloves. Ventilate area and wash spill after material pickup. Avoid contaminating
water supply. For personal protection a mechanical exhaust, safety shower and
eye bath is recommended. Wash thoroughly after handling of DMSO. Do not
breath in vapor.
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