DHBP 2,5-二甲基-2,5-二(叔丁基过氧)己烷 CAS.78-63-7

商品名称：DHBP（BPDH）

化学名称：2,5-二叔丁基过氧化-2,5-二甲基已烷

分子式：C16 H34 O4

分子量：290.44

理论活性氧量：11.02%

CAS号：78-63-7

UN No.  3105

IMO/IMDG  5225       

级别Level： 5.2 

公路运输（ARD）：5.2   5b

铁路运输（RID）：5.2  5b

海运(IMDG）：5.2 - 01  二类包装,  C类液体过氧化物。

性质:

本品为透明液体，可用已烷、无嗅矿物油、异十二烷等配制稀释。或可用客户指定的溶剂稀释。也可用无机化合物或聚丙烯粉末进行稀释,不溶于水，溶于多数有机溶剂，比重（20℃） 0.870,现提供90%、50%、30%三种规格的产品。
主要分解产物：叔丁醇、2，5-二甲基-2，5-已二醇、异丁烯、甲烷等。

指标:

半衰期:

0.1小时：156℃

1小时：134℃

10小时：115℃

热稳定性数据:

自加速分解温度（SADT）：80℃

危急温度（Tem）：75℃

贮存温度（Tsmax）：10/40 ℃

活化能E（KJ/mol）：155.49

A=1.68E+16 (S-1)

获美国FDA认可,可用于重复使用的橡胶制品中

侵入途径：吸入、食入、经皮肤吸收

毒性:

口服LD50 ：大于3200mg/kg  (大鼠经口)

皮肤 LD50 ：大于4.1mg/kg  (兔)

急性腹腔内毒性LD50 ：1700mg/kg  (小鼠)

健康危害：本品对眼睛、皮肤、粘膜有刺激作用，可引起皮炎。

技术标准:

外观：92%  min

有效氧：10.1 %  min

色度：50Pt-Co max

比重(20 ℃)：870KG/M3 

折光(20 ℃)：1.422

叔丁基过氧化氢和2,5-二甲基-2,5-二叔丁基过氧化氢含量：0.3%max

用途:

1.聚合物交联剂:是一种可广泛地适用于多种聚合物的有机过氧化物交联剂,尤其适合于聚乙烯(LDPE、HDPE)，乙烯/醋酸乙烯共聚物的聚合交联剂，交联温度为170 ℃以上，在140 ℃以下则不发生交联作用。用量为0.5%-3%(W/W)，在一些不易于发生交联的材料中其用量一般为1%-5%。

2.是乙烯基硅橡胶的高温硫化剂:同时是其它各类橡胶优良的硫化剂，用本品进行硫化的橡胶具有拉伸强度高，硬度大等突出的优点。

3.是聚丙烯降解优良降解剂: 降解温度为200-220 ℃,用量为0.01-0.1%。可制成分子量低，分子量分布窄的高融体指数的流变聚丙烯，可做为高速纺丝料、涂覆料、薄膜料和铸塑料的重要引发剂，是生产降温母粒的先选原料。

4.是不饱和聚酯的高温固化剂。

包装及运输:

我厂的过氧化物产品是依据标准，分5公斤、15公斤、20公斤等不同的包装，也可根据客户的要求供应，全部使用PE材料的包装。

储存注意事项:

1.储存于阴凉通风的空间内,仓温不超过30 ℃。

2.远离火种，热源。应与酸类，还原剂，易燃物，可燃物，还原剂等分开存放。

3.储存间的照明通风等设施采用防爆型，开关设在户外。

4.搬运时应小心轻放，防止包装及容器的破损，禁止撞击和振荡，分装和搬运作业要注意个人防护。

货架寿命:

在严格按照生产厂家提示的条件贮存、运输。三个月内产品质量可确实保证。

试验:

落锤感度:大于60厘米    

磨擦感度: 大于700千克/平方厘米

压力容器试验:  1.8mm

自加速分解温度(SADT):80 ℃

报警温度: 75 ℃

销毁办法:

1.稀释焚烧:将待销毁的产品用廉价的溶剂,如洒精,废油等稀释成10%以下然后在受控的条件下进行焚烧。

2.水解：配制苛性钠的甲醇或异丙醇溶液为20%-30%，然后把待销毁的产品加入约其重量10倍的苛性钠溶液中，边加边搅拌，直至水解完全。

3.大量产品的销毁用户通知生产厂家派专门人员操作,以免发生意外。

溅落处理:

1、产品误入眼内，应立即拉开眼睑，作流动清水冲洗15分钟，就医。

2、如不慎溅到皮肤上，应立即用肥皂水及清水冲洗。就医。

3、如产品溅落或泄漏到地面上，应用砂土、蛭石或其它惰性材料吸收，再用不产生火花的工具收集于塑料桶中，运至废物处理场所。并用水冲洗污染地面。

火灾防护:

1、本产品可能因受热而剧烈分解，会猛烈起火，少量产品小火应迅速用泡沫或干粉灭火器进行灭火。

2、大火应迅速撤达到不危险的距离以外并用水枪扑救，通知消防部门处理。

Product name：DHBP（BPDH）

English name:2,5-Bis(tert-butyl peroxide)-2,5-dimethyhexane

Chemical name: 2,5-di-tert-butylperoxy-2,5-dimethylhexane

Molecular formula：C16 H34 O4

Molecular weight：290.44

Theoretical active oxygen content：11.02%

CAS.：78-63-7

UN No.  3105

IMO/IMDG  5225       

Level： 5.2 

ARD：5.2   5b

RID：5.2  5b

IMDG: 5.2-01 Class II packaging, Class C liquid peroxide.

Property:

This product is a colorless transparent liquid that can be diluted with hexane, odorless mineral oil, isododecane, etc. Alternatively, the solvent specified by the customer can be used for dilution. It can also be diluted with inorganic compound or polypropylene powder. It is insoluble in water and soluble in most organic solvents, with a specific gravity of (20 ℃) 0.870. There are 90%, 50% and 30% products available.

Main decomposition products: tert butanol, 2,5-dimethyl-2,5-hexanediol, isobutene, methane, etc.

Safety indicators:

Half life:

0.1 hour: 156 ℃

1 hour: 134 ℃

10 hours: 115 ℃

Thermal stability data:

Self accelerating decomposition temperature (SADT): 80 ℃

Emergency temperature (Tem): 75 ℃

Storage temperature (Tsmax): 10/40 ℃

Activation energy E (KJ/mol): 155.49

A=1.68E+16 (S-1)

FDA approved for use in reusable rubber products

Invasion pathway: inhalation, ingestion, absorption through the skin

Toxicity:

Oral LD50: greater than 3200mg/kg (rat oral)

Skin LD50: greater than 4.1mg/kg (rabbit)

Acute intraperitoneal toxicity LD50: 1700mg/kg (in mice)

Health hazards: This product has irritating effects on the eyes, skin, and mucous membranes, and can cause dermatitis.

Technical standards:

Appearance: 92% min

Effective oxygen: 10.1% min

Chromaticity:50Pt-Co max

Specific gravity (20 ℃): 870KG/M3

Refraction (20℃): 1.422

Content of tert butyl hydrogen peroxide and 2,5-dimethyl-2,5-di tert butyl hydrogen peroxide: 0.3% max

Purpose:

1. Polymer cross-linking agent: It is an organic peroxide cross-linking agent that can be widely used in various polymers, especially for polyethylene (LDPE, HDPE) and ethylene/vinyl acetate copolymers. The cross-linking temperature is above 170 ℃, and no cross-linking occurs below 140 ℃. The dosage is 0.5% -3% (W/W), which is generally 1% -5% in some materials that are not prone to crosslinking.

2. It is a high-temperature vulcanizing agent for vinyl silicone rubber: it is also an excellent vulcanizing agent for other types of rubber. Rubber vulcanized with this product has outstanding advantages such as high tensile strength and high hardness.

3. It is an excellent degradation agent for polypropylene: the degradation temperature is 200-220 ℃, and the dosage is 0.01-0.1%. It can be made into rheological polypropylene with low molecular weight and narrow molecular weight distribution, and high melt index. It can be used as an important initiator for high-speed spinning materials, coating materials, film materials, and casting plastics, and is the preferred raw material for producing cooling masterbatches.

4. It is a high-temperature curing agent for unsaturated polyester.

Packaging and transportation:

Our peroxide products are packaged according to international standards, including 5kg, 15kg, 20kg, etc. They can also be supplied according to customer requirements, all using PE material packaging.

Storage precautions:

1. Store in a cool and ventilated space, with a warehouse temperature not exceeding 30 ℃.

2. Keep away from sparks and heat sources. It should be stored separately from acids, reducing agents, inflammables , combustibles, reducing agents, etc.

3. The lighting and ventilation facilities in the storage room are explosion-proof, with switches located outdoors.

4. When handling, care should be taken to prevent damage to packaging and containers, and impact and oscillation are prohibited. Personal protection should be taken during packaging and handling operations.

Shelf life:

Store and transport in strict accordance with the manufacturer's instructions. The product quality can be guaranteed within three months.

Safety test:

Drop hammer sensitivity: greater than 60 centimeters

Friction sensitivity: greater than 700 kg/cm2

Pressure vessel test:  1.8mm

Self accelerating decomposition temperature (SADT): 80 ℃

Alarm temperature: 75 ℃

Destruction method:

1. Dilution incineration: Dilute the products to be destroyed with inexpensive solvents such as sprinkling, waste oil, etc. to less than 10% and then incinerate them under controlled conditions.

2. Hydrolysis: Prepare a methanol or isopropanol solution of caustic soda at a rate of 20% -30%, and then add the product to be destroyed to a caustic soda solution about 10 times its weight, stirring while adding until the hydrolysis is complete.

3. Users must notify the manufacturer to send specialized personnel to handle the destruction of a large number of products to avoid accidents.

Splash treatment:

1. If the product enters the eye by mistake, the eyelids should be immediately opened and rinsed with flowing water for 15 minutes before seeking medical attention.

2. If accidentally splashed onto the skin, immediately rinse thoroughly with soap and water. Seek medical attention.

3. If the product splashes or leaks onto the ground, it should be absorbed by sand, vermiculite, or other inert materials, and then collected in plastic drums with non sparking tools, and transported to a waste disposal site. And rinse the contaminated ground with water.

Fire protection:

1. This product may decompose violently due to heating, and may ignite violently. A small amount of small fires should be put out quickly with foam or dry powder extinguishers.

2. The fire should be quickly evacuated to a safe distance and extinguished with a water gun, and the fire department should be notified for handling.