Description.
DMDM Hydantoin (DMDMH)
- Basic Information
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INCI Adopted Name:
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DMDM Hydantoin
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CAS Registry No.:
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6440-58-0
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EINECS No.
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229-222-8
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Molecular Formula:
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C7H12N2O4
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Molecular Weight:
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188.18
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Structural Formula:
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Synonyms:
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DMDMH;
1,3-Dihydroxymethyl-5,5-Dimethylhydantoin
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2. Quality Specification
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Item
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Specification
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Appearance
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Colorless to light yellow clear liquid
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Odor
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Odorless or characteristically mild
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Nitrogen
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7.8~8.6%
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Specific Gravity( 25ºC)
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1.14~1.17
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pH
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5.0~7.0
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Total Solids
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54~56%
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As
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0.001% max
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Pb
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0.004% max.
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3. Packing
DMDM Hydantoin Standard packaging includes the following:
25kg net weight plastic pail
200kg net weight plastic drum
Other package sizes are available upon request.
4. Storage
DMDM Hydantoin Avoid freezing. Store at or near room temperature, out of direct sunlight. Keep containers tightly closed when not in use.
Storage at temperatures below 10°C for a long period of time, may cause formation of crystals, requires thawing and mixing prior to use, with no detrimental effect to product quality or efficacy.
5. Period of validity
24 months
Basic Info
Product Name:
DMDM Hydantoin
Other Name:
2,4-Imidazolidinedione,1,3-bis(hydroxymethyl)-5,5-dimethyl-;Hydantoin,1,3-bis(hydroxymethyl)-5,5-dimethyl-;1,3-Bis(hydroxymethyl)-5,5-dimethyl-2,4-imidazolidinedione;1,3-Bis(hydroxymethyl)-5,5-dimethylhydantoin;Dimethylol-5,5-dimethylhydantoin;N,N′-Dimethylol-5,5-dimethylhydantoin;DMDMH;DMDM Hydantoin;Dantoin DMDMH 55;1,3-Dimethylol-5,5-dimethylhydantoin;DMDMH 55;Glydant;Glydant XL 1000;Dantogard 2000;1,3-Dihydroxymethyl-5,5-dimethylhydantoin;Gidol;Dantogard;Surcide DMH;Mackstat DM;Nipaguard DMDMH;Dekafald;1,3-Bis(hydroxymethyl)-5,5-dimethylimidazolidine-2,4-dione;Glydant LTD;Mergal 395;K 2000;K 2000 (preservative)
CAS No.:
6440-58-0
Molecular Formula:
C7H12N2O4
Molecular Weight:
188.18
EC Number:
229-222-8
Color/Form:
Solid|Powder
HScode:
2933990090
Characteristics
Appearance:
Liquid
Density:
0.4 g/cu cm at 21 deg C /OECD Guideline 109/
Melting Point:
1.00-2.5 °C
Boiling Point:
198-200 deg C, decomposes with boiling
Flash Point:
137.5±30.7 °C
Water Solubility:
In ethanol, 56.4 g/100 cc; in hexane, 0.02 g/100 cc
Storage Conditions:
Safe Storage of Pesticides. Always store pesticides in their original containers, complete with labels that list ingredients, directions for use, and first aid steps in case of accidental poisoning. Never store pesticides in cabinets with or near food, animal feed, or medical supplies. Do not store pesticides in places where flooding is possible or in places where they might spill or leak into wells, drains, ground water, or surface water.
Vapor Pressure:
9.0X10-8 mm Hg at 25 deg C
Odor:
Odorless
Henrys Law Constant:
Henry's Law constant = 2.9X10-14 atm-cu m/mol at 25 °C (est)
Dissociation Constants:
pKa1 = 13.43, pKa2 = 13.41 (est)
Experimental Properties:
Compatible with cationic, anionic and nonionic surfactants|Hydroxyl radical reaction rate constant = 3.0X10-11 cu cm/molec-sec at 25 °C (est)
Hazard Identification
Classification of the substance or mixture
Acute toxicity - Category 4, Oral
GHS label elements, including precautionary statements
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Pictogram(s)
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Signal word
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Warning
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Hazard statement(s)
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H302 Harmful if swallowed
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Precautionary statement(s)
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Prevention
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P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
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Response
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P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
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Storage
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none
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Disposal
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P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
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Other hazards which do not result in classification
no data available
Handling and Storage
Precautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Keep container closed. Store in a dry place. Do not store at elevated temperatures. Keep from freezing. Do not reuse empty container.
INCI:DMDM Hydantoin
quality index:
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project
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index
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appearance
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Colorless to pale yellow liquid
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content，%
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53.0～57.0
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Total formaldehyde，%
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17.0～18.0
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formaldehyde，%
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≤2.0
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relative density,20℃
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1.140～1.180
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pH
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5.5～7.5
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Antibacterial properties（以content1.5%計(jì)）:
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Microbial name
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（MIC）ppm
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Pseudomonas aeruginosa
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300
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Staphylococcus aureus
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300
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E. coli
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300
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Aspergillus
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1500
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bacillus subtilis
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800
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