101-25-7
3,7-dinitroso-1,3,5,7-tetraazabicyclo(3.3.1)nonane
CAS: 101-25-7
Molecular Formula: C5H10N6O2
101-25-7 - Names and Identifiers
101-25-7 - Physico-chemical Properties
| Molecular Formula | C5H10N6O2 |
| Molar Mass | 186.17 |
| Density | 1.4132 (rough estimate) |
| Melting Point | 207°C |
| Boling Point | 320.65°C (rough estimate) |
| Flash Point | 222°C |
| Water Solubility | 9.901g/L(temperature not stated) |
| Vapor Presure | 0.133Pa at 20-50℃ |
| pKa | 1.39±0.20(Predicted) |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Refractive Index | 1.7290 (estimate) |
| Physical and Chemical Properties | Yellowish or light cream colored powder. No odor, but there is a formaldehyde odor in the humid air. |
| Use | For natural rubber and synthetic rubber, plastic products foaming to produce sponge-type products |
101-25-7 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R40 - Limited evidence of a carcinogenic effect |
| Safety Description | S15 - Keep away from heat. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | 3224 |
101-25-7 - Upstream Downstream Industry
| Raw Materials | Methenamine Sodium nitrite |
101-25-7 - Reference Information
| LogP | 0.05 at 25℃ and pH7 |
| surface tension | 98.54mN/m at 1g/L and 20 ℃ |
| (IARC) carcinogen classification | 3 (Vol. 11, Sup 7) 1987 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | foaming agent H is a widely used foaming agent in the field of rubber foaming, which has high foaming efficiency, no discoloration, no pollution and other advantages. It can be used as a foaming agent for adhesives or sealants. It is also a commonly used organic microcellular foaming agent for the manufacture of sponge rubber and foam plastics. In the rubber material is easy to disperse, no pollution, but the decomposition temperature is higher, the decomposition product has odor. The use of salicylic acid, adipic acid, phthalic acid as foaming additives, the decomposition temperature can be adjusted at 90~130 ℃. The odor can be removed with urea. In polyvinyl chloride dosage is 7%~ 25%, rubber dosage is 3%~ 5%. It is also used for rubber, polyvinyl chloride and other plastic foaming agent, the manufacture of microporous plastic. used for foaming of natural rubber, synthetic rubber and plastic products to produce sponge-type products This product is one of the widely used foaming agents, mainly used in the manufacture of sponge rubber, it is widely used in plastics for polyvinyl chloride. The product is added with thermal decomposition into nitrogen to cause pores, with large amount of gas and high efficiency of non-foaming. The use of salicylic acid, adipic acid, phthalic acid and other organic acids or urea as foaming additives, can reduce the decomposition temperature, adjusted in the range of 90-130 ℃. The heat generated when the product is decomposed is large, so that the central part of the thick product is easily carbonized, and the decomposition product is malodorous. Combined with urea can remove odor. It can be used as a blowing agent for polyvinyl chloride and its copolymers, polyolefin, polystyrene, polyamide, polyester, phenolic resin, polyvinylidene chloride, polysiloxane, polychloroprene, ethylene and propylene copolymers, polyethylene oxide and its elastomers. The goods on the skin and mucous membranes have moderate irritation, when more than 1% of formaldehyde is highly toxic. The production process should pay attention to explosion-proof. |
| production method | hexamethylenetetramine (urotropine) was obtained by nitrosation. After dissolving urotropine and sodium nitrite with water, dilute sulfuric acid (or dilute hydrochloric acid) was added dropwise with stirring, and the reaction temperature was controlled at about 0 °c. A small amount of ammonia water and sodium nitrite were added after the completion of nitrosation. The product is obtained by Suction filtration, washing, drying, drying and sieving. Industrial foaming agent H purity is greater than or equal to 98%. Raw material consumption (kg/t) urotropine 720 sodium nitrite 1018 sulfuric acid (93%) 800 chlorine water (20%) 650 |
| category | flammable solid |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 940 mg/kg; Intraperitoneal-mouse LD50: 130 mg/kg |
| explosive hazard characteristics | explosive mixture with oxidant |
| flammability hazard characteristics | in case of fire, high temperature, oxidant flammable; toxic NOx smoke from combustion |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from oxidants, acids and alkalis |
| extinguishing agent | water, dry sand, carbon dioxide, foam, 1211 extinguishing agent |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:01:54
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View History
101-25-7
3378-71-0
Leaf alcohol
175277-80-2
strontium chloride solution
sulfamethazinesodium
Sodium iodide
3378-71-0
Leaf alcohol
175277-80-2
strontium chloride solution
sulfamethazinesodium
Sodium iodide
Raw Materials for 101-25-7