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Centre Testing International Co., Ltd. (CTI) is the pioneer and leader in the TIC Industry which provides one-stop solutions on testing, inspection, certification, calibration, audit, training & technical services.


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Our service capabilties cover the upstream and downstream of the supply chain including textile and apparel,toys,electronic appliances,medical health,food...andother industries.


Comprehensively guarantee quality and safety, promote compliance and innovation, demonstrate brand competitiveness, and achieve higher quality, healthier, safer, and greener sustainable development.


CALIFORNIA LISTED 1-bromopropane AS carcinogen under Prop 65

2016-08-15 201

The Office of Environmental Health Hazard Assessment (OEHHA) is adding 1-bromopropane (1-BP) (CAS No. 106-94-5) to the list of chemicals known to the state to cause cancer for purposes of the Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65). The listing takes effect 5 August 2016. The substance has been listed on Prop 65 as a male and female reproductive toxicant since 2004, and this time it is listed as a substance known to the state to cause cancer.


Substance Introduction



Toxicological Endpoint

Listing Mechanism*

1-bromopropane (1-BP)




Listing mechanism:  AB – “authoritative bodies” mechanism (Title 27, Cal. Code of Regs. section 25306).


1-BP is used in washing & cleaning products, extraction agents and metal surface treatment

products ,and it has an industrial use resulting in manufacture of another substance (use of intermediates).1-BP is used in the following areas: formulation of mixtures and/or re-packaging. This substance is used for the manufacture of: chemicals, machinery and vehicles, plastic products, fabricated metal products and electrical, electronic and optical equipment.


CA 65 Introduction

Proposition 65, the Safe Drinking Water and Toxic Enforcement Act of 1986, was enacted as a ballot initiative in November 1986. The Proposition was intended by its authors to protect California citizens and the State‘s drinking water sources from chemicals known to cause cancer, birth defects or other reproductive harm, and to inform citizens about exposures to such chemicals. so, in theory, all products containing hazardous substances within the scope of its control, including but not limited to Electrical and electronic products, textile products, toys, food contact materials, jewelry products and home decor products.

Proposition 65 requires the state to maintain and update a list of chemicals known to the state to cause cancer or reproductive toxicity. The latest California 65 control list is as below.


Further Information

Notice - 1-BP Listed as Known to the State of California to Cause Cancer:


Proposition 65 List Dated April 22, 2016:



CTI Suggestion

California‘s 65 does not set limit to the material. The limit of substances in the products should refer to the existing lawsuit aiming at this kind of product or agreement. Enterprise should compare the existing lawsuit of substances control requirements and focus on newly added substances and risky chemicals. In  order to reduce the risk of illegal, companies are suggested to conduct supply chain survey and perform test if necessary.


CTI Service

As the third party inspection Institution, CTI becomes the first publicly traded company on the Chinese Stock Exchange. We can provide testing, inspection, audit and certification services to consumers. Moreover, we can also provide professional and comprehensive quality solutions to improve the competitiveness of your products in the global market.