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Magtoxin tablets, Magtoxin roundtablets
Detia Degesch GmbHDr.-Werner-Freyberg-Str. 11D-69514 LaudenbachGermany COMPOSITION / INFORMATION ON HAZARDOUS INGREDIENTS
Preparation with ignition inhibiting additives Chem. Characterization / Concentration / Symbol / R-phrases / CAS-No.
Magnesium phosphide 66% F, T+, N R 15/29-28-50 CAS-No. 12057-74-8 Chem. Characterization / Concentration / TLV (Germany)Hydrogen phosphide 0.1 ml/m3 (ppm), 0.14 mg/m3 Odour threshold for hydrogen phosphide: from 0.02 up to 3 ppm depending on the sensitivity1b) POSSIBLE HAZARDS
On contact with water or acids the product develops the extremely flammable and toxic hydrogen phosphide(phosphine) FIRST AID MEASURES
Inhalation: in case of headache, dizziness, fealing of constriction, difficult breathing and nausea immediately leavethe danger zone and seek fresh air; consult a physician; inhale products for acute treatment following exposition ofsmoke gas (eg a beclometasone (Ventolair®) spray, a dexamethasone (Auxiloson®) spray). Eye contact: remove rests of preparation with fluff-free cloth; rinse with plenty of water and apply eye drops only afterno more powdery residues are visible.
Skin contact: remove any rests by brushing; only then use water for cleansing Special aids required for First Aid measures: have methylprednisolon (application by physician) and products foracute treatment following exposition of smoke gas (eg a beclometasone (Ventolair®) spray, a dexamethasone(Auxiloson®) spray) available FIRE-FIGHTING MEASURES
Suitable extinguishing media: the product itself does not burn; extinguish fires in the vicinity with dry sand or powderand than with CO Extinguishing media that must not be used for safety reasons: water, extinguishers containing water Special hazards from the substance itself, its combustion products or from its vapours: in case of fires hazardouscombustion gases are formed: caustic phosphoric acid aerosols (phosphoric pentoxide) Special protective equipment for firefighting: respiratory equipment, see No. 8.1 below ACCIDENTAL RELEASE MEASURES
Person-related precaution measures: leave danger zone immediately; see No. 8 below Environment protection measures: n.a.
Methods for cleaning up / taking up: n.a.
Advice on safe handling: adhere to regulations for the handling of dangerous goods Demands upon storerooms and containers: see No. 7.1.1 Further information on storage conditions: Obviate contact with water, acids and ambient humidity EXPOSURE CONTROLS / PERSONAL PROTECTION
Respiratory protection: respiratory equipment suitable for hydrogen phosphide, filter B, colour grey Body protection: suitable protective clothing 9. * PHYSICAL AND CHEMICAL PROPERTIES
Form: under the influence of ambient air the solid products develop gaseous phosphine Colour: powder greyish-green; paper (Plates/Strips) orange, tyvek (Gas-Ex-B forte) white Melting point / range (in /C): magnesium phosphide > 500 /C 11) Inflammability (solid, gaseous): in contact with water/humidity, acids an extremely flammable gas is developed Selfignition: contains additives to prevent self ignition Lower explosion limit: hydrogen phosphide: 1.8 1a) (1.79-1.89) Vapour pressure: hydrogen phosphide: 34.6 bar (20/C) 9) Solubility in water: not applicable due to decomposition Distribution coefficient (n-octanol/water): n.a.
Conditions to be avoided: see No. 7 above Substances to be avoided: water and acids cause magnesium phosphide to decompose in a violent reaction into extremely flammable and toxic hydrogen phosphide Hazardous decomposition products: hydrogen phosphide, phosphoric pentoxide, phosphoric acid, see No. 5.3 Change of aggregation condition:Influence on safety: uncontrolled development of hydrogen phosphide can cause fires TOXICOLOGICAL DATA
Swallowing, LD rat oral (mg/kg): magnesium phosphide: 11.2 2), Magtoxin: 9.12 3) Inhalation, LC rat inhalative (4hrs.): hydrogen phosphide: 11 ppm = 0.015 mg/l 4) Skin contact, LD rat dermal (mg/kg): n.v.
Sensitizing effect: Magphos: no skin sensitization 10) Other information: inhalation and ingestion of large quantities may lead to very serious poisoning. Highly dangerousafter 1/2 to 1 hour are already 400-600 mg/m3 =290-430 ppm phosphine 1c)IDLH (Immediately Dangerous to Life and Health) = 282 mg/m3 = 200 ppm (US EPA,1985) phosphine 5) ECOLOGICAL INFORMATION
LC (rainbow trout, 96 hrs.) = 9.7 x 10-3 ppm 6) EC (daphnia magna, 24 hrs.) = 0.2 mg/l 7) Ecotoxicity: phosphine decomposes in the atmosphere within 5 - 28 hours 8) DISPOSAL CONSIDERATIONS
For substance / preparation / residues: product: waste code #: 061301 Recommendation: degassed material should be disposed of under observation of the prevailing regulations (waste code #: 060316) TRANSPORT INFORMATION
Road-/rail transport acc. to ADR/RID:
Description of goods: Magnesium phosphide Dangerous when wet 4 = main riskToxic = subsidiary risk Red (warning) board: starting 20 kgs net weight Remarks: limited quantities acc. to chapter 3.4 not possible Sea transport acc. to IMDG-Code
Proper shipping name: MAGNESIUM PHOSPHIDE Toxic = subsidiary riskMarine pollutant: no Air transport acc. to IATA-DGR/ICAO-TI
See sea transport and packaging instructions: 412 Proper shipping name: Magnesium phosphide Remarks: max. weight 1 kg/inner packaging, 15 kg/outer packaging cargo aircraft only Transport by barge acc. to ADN/ADNR see road transport
Labelling according to German Regulations concerning dangerous Goods including EC regulations (including Directive 1999/45/EC**) Hazard description: Highly flammable, extremely toxic, dangerous for the environment** R-phrases: 15/29 - Contact with water liberates toxic, extremely flammable gas.
26/28 - Very toxic by inhalation and if swallowed.
50 ** - Very toxic to aquatic organisms.
- Keep locked up and out of the reach of children 3/9/49 - Keep only in the original container in a cool well-ventilated place 7/8 - Keep away from food, drink and animal feedingstuffs 20/21 - When using do not eat, drink or smoke 22 - In case of fire, use dry sand, powder or CO . Never use water. - In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible) 61** - Avoid release to the environment. Refer to special instructions/safety data sheets. Additional: empty packaging must not be reused ADDITIONAL INFORMATION
WHO Environmental Health Criteria 73: Phosphine and Selected Metal Phosphides: a) page 18, b) page 72, c) page 75 International Bio-Research Inc., D-Hannover: Acute oral toxicity of "1% Magnesium phosphide in Vaseline" in rats(1.12.1979) Hazleton Laboratories America, Inc.: Acute oral toxicity study in rats of Degesch Magtoxin formulation (1.12.1983) Waritz, R.S. & Brown, R.M. (1975): Acute and subacute inhalation toxicities of phosphine, phenylphosphine andtriphenylphosphine; Am. Ind. Assoc. J., 36: 452-458.
US Environmental Protection Agency: EPA chemical profile: Phosphine, Washington DC, 1985 Laboratory for Pharmacology and Toxicology, D-Hamburg: Prüfung der akuten Toxizität von Aluminiumphosphidan Regenbogenforellen (24.11.1984) Ökolimna, D-Burgwedel: Daphnientoxizitätstest mit Aluminiumphosphid, 1986 Frank, R.; Rippen, G.: Verhalten von Phosphin in der Atmosphäre, Lebensmitteltechnik July/August 1987 Drägerwerk AG, D-Lübeck: Dräger-Röhrchen-Handbuch: Boden-, Wasser- und Luftuntersuchungen sowie technischeGasanalyse, 1993 Bioagri Laboratórios Ltda.: Evaluation of skin sensitization of test substance DEGESCH-MAGPHOS-PASTILHASDE 0,6g (06.10.2004) Siemens Axiva GmbH & Co. KG, D-Frankfurt am Main: Magnesium phosphide technical: Melting point, boiling point,vapour pressure (05.07.2002) = Classification/labelling according to Directive 1999/45/EC have to be applied for preparations within the scope of Directive 91/414/EEC (plant protection products) or Directive 98/8/EC (biocides) as from 30 July 2004.
The above information is based on our present state of knowledge. It describes the product with respect of the safety measuresrequired and should not therefore be construed as guaranteeing specific properties nor must it be altered or transferred to otherproducts.

Source: http://www.degesch.co.za/Magtoxin%20tablets%20Magtoxin%20Roundtabletswpd.pdf

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