29411-74-3

Toxic by inhalation, in contact with skin and if swallowed.

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3 - Composition/Information on Ingredients

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Product NameCAS #EC noAnnex I
Index Number
6-SELENOGUANOSINE APPROX. 80%29411-74-3 NoneNone
FormulaC10H13N5O4Se
Molecular Weight 346,2000 AMU
SynonymsGuanosine, 6-seleno- (9CI) * NSC 137679 *
6-Selenoguanosine

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4 - First Aid Measures

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AFTER INHALATION
If inhaled, remove to fresh air. If breathing becomes difficult,
call a physician.
AFTER SKIN CONTACT
In case of skin contact, flush with copious amounts of water for
at least 15 minutes. Remove contaminated clothing and shoes.
Call a physician.
AFTER EYE CONTACT
In case of contact with eyes, flush with copious amounts of
water for at least 15 minutes. Assure adequate flushing by
separating the eyelids with fingers. Call a physician.
AFTER INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.

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SIGMAwww.molbase.com
5 - Fire Fighting Measures

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EXTINGUISHING MEDIA
Suitable: Carbon dioxide, dry chemical powder, or appropriate
foam.
SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
Wear self-contained breathing apparatus and protective clothing
to prevent contact with skin and eyes.

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6 - Accidental Release Measures

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PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear respirator, chemical safety goggles, rubber boots, and
heavy rubber gloves.
METHODS FOR CLEANING UP
Sweep up, place in a bag and hold for waste disposal. Avoid
raising dust. Ventilate area and wash spill site after material
pickup is complete.

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7 - Handling and Storage

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STORAGE
Store at -20°C

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8 - Exposure Controls / Personal Protection

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ENGINEERING CONTROLS
Use only in a chemical fume hood.
PERSONAL PROTECTIVE EQUIPMENT
Respiratory Protection: Use respirators and components tested and
approved under appropriate government standards such as NIOSH (US)
or CEN (EU). Where risk assessment shows air-purifying respirators
are appropriate use a full-face particle respirator type N99 (US)
or type P2 (EN 143) respirator cartridges as a backup to
engineering controls. If the respirator is the sole means of
protection, use a full-face supplied air respirator.
Hand Protection: Compatible chemical-resistant gloves.
Eye Protection: Chemical safety goggles.

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9 - Physical and Chemical Properties

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AppearancePhysical State: Solid
PropertyValueAt Temperature or Pressure
pHN/A
BP/BP RangeN/A
MP/MP RangeN/A
Flash PointN/A
FlammabilityN/A
Autoignition TempN/A
Oxidizing PropertiesN/A
Explosive PropertiesN/A
Explosion LimitsN/A
Vapor PressureN/A
Partition CoefficientN/A
ViscosityN/A
SIGMAwww.molbase.com
Vapor DensityN/A
Saturated Vapor Conc. N/A
Evaporation RateN/A
Bulk DensityN/A
Decomposition Temp.N/A
Solvent ContentN/A
Water ContentN/A
Surface TensionN/A
ConductivityN/A
Miscellaneous DataN/A
SolubilityN/A

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10 - Stability and Reactivity

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STABILITY
Stable: Stable.
Conditions of Instability: Air and light sensitive.
HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide,
Nitrogen oxides, Selenium/selenium oxides.
HAZARDOUS POLYMERIZATION
Hazardous Polymerization: Will not occur

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11 - Toxicological Information

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RTECS NUMBER: UP0790170
ACUTE TOXICITY
LD50
Oral
Mouse
137,000000 mg/kg
LD50
Intraperitoneal
Mouse
126 MG/KG
LD50
Subcutaneous
Mouse
58840 UG/KG
SIGNS AND SYMPTOMS OF EXPOSURE
Chronic contact with selenium compounds may cause garlic odor of
breath and sweat, dermatitis, and moderate emotional instability.
ROUTE OF EXPOSURE
Multiple Routes: May cause irritation. Harmful if swallowed,
inhaled, or absorbed through skin.
CONDITIONS AGGRAVATED BY EXPOSURE
The toxicological properties have not been thoroughly
investigated.

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12 - Ecological Information

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SIGMAwww.molbase.com
No data available.

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13 - Disposal Considerations

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SUBSTANCE DISPOSAL
Bury in a landfill site approved for the disposal of chemical and
hazardous wastes. Observe all federal, state, and local
environmental regulations.

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14 - Transport Information

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RID/ADR
UN#: 3283
Class: 6.1
PG: III
Proper Shipping Name: Selenium compound, n.o.s.
IMDG
UN#: 3283
Class: 6.1
PG: III
Proper Shipping Name: Selenium compound, n.o.s.
Marine Pollutant: No
Severe Marine Pollutant: No
Technical Name: Required
IATA
UN#: 3283
Class: 6.1
PG: III
Proper Shipping Name: Selenium compound, n.o.s.
Inhalation Packing Group I: No
Technical Name: Required

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15 - Regulatory Information

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CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
INDICATION OF DANGER: T
Toxic.
R-PHRASES: 23/24/25
Toxic by inhalation, in contact with skin and if swallowed.
S-PHRASES: 36/37/39-45
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).
Caution: Substance not yet fully tested (EU).
COUNTRY SPECIFIC INFORMATION
Germany
WGK: 3
Self-Classification

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16 - Other Information

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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
SIGMAwww.molbase.com
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. 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 2010 Co. License granted to make
unlimitedpaper copies for internal use only.
DISCLAIMER
For R&D use only. Not for drug, household or other uses.
SIGMAwww.molbase.com

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SECTION 16 - ADDITIONAL INFORMATION
N/A

MOLECULAR FORMULA :

C10-H13-N5-O4-Se

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

137 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

NCISP* National Cancer Institute Screening Program Data Summary, Developmental Therapeutics Program. (Bethesda, MD 20205) Volume(issue)/page/year: JAN1986

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

126 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

NCISP* National Cancer Institute Screening Program Data Summary, Developmental Therapeutics Program. (Bethesda, MD 20205) Volume(issue)/page/year: JAN1986

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

58840 ug/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

NCISP* National Cancer Institute Screening Program Data Summary, Developmental Therapeutics Program. (Bethesda, MD 20205) Volume(issue)/page/year: JAN1986