Throughout our travels we have come across a few archives that were unaware they had cellulose nitrate in their collection or that film based photographic material can be made of cellulose nitrate. Cellulose nitrate film stock was in commercial use through the early 1950s, when it was replaced by cellulose acetate plastic safety film. Absorb spill with inert material, then place in a chemical waste container. Nitrate film was used for xray photography for some time, where its hazardous nature was most acute, thus in 1933, became disused for such purposes, along with its uses for motionpicture films in 1951, when it was replaced by cellulose acetate film commonly known as safety film. Cellulose nitrate membrane filters at thomas scientific. Nitrate film was made by kodak as well as other manufacturersfull article. Familiarity with this standard is an essential component of.
A permit is required to store, handle or use cellulose nitrate film in the following quantities. Cellulose nitrate hazardous ingredients according to regulation ec no 12722008 component classification concentration pentyl acetate casno. Nitrocellulose one source states nitrocellulose is a mixture of polymeric nitrate esters, and that three types of. Decomposition of the film also can present safety concerns during its storage, handling, transportation. In the late 19th and early 20th centuries it was the basis of the earliest manmade fibres and plastic materials. Precisely because it was so durable, vintage 1950s and 1960s frames made of cellulose nitrate can still be found on the market and are once again becoming. Spinning disc preparation of cellulose nitrate films 97 ioo 80 60 140 t 20 o rpm 3000 5 to 15 i i i 20 25 30 viscosity poise fig. Cellulose nitrate spectacles college of optometrists. These materials have been used as a support for negatives, positive transparencies, motion pictures, microfilm, and other photographic products. During the abnormally hot summer of 1949, numerous fires involving cellulose nitrate motion picture films were reported in new york city and adjacent areas.
Spontaneous ignition of decomposing cellulose nitrate film. Nitrate safety data sheet kodak association of moving image. Mim 606197 and plays a role in an early step of neural development bellefroid et al. Do not exceed 70 f inside the storage vault, and maintain the relative humidity below 50. Storage and handing of processed nitrate film motion. Eastman kodak manufactured cellulose nitrate film at rochester. Cellulose nitrate membranes recommended for the majority of routine applications, this membrane is manufactured under strictly controlled conditions.
Preparation of cellulose nitrate films using a spinning. This includes unexposed film, positive prints, negatives, or used film. Decomposing films stored in metal film cans may also be covered in very fine brown. The danger of such ignition is reduced by inspecting stored film stocks and removing and destroying all decomposing film. Cellulose nitrate still picture and motion picture film policy. Department of transportation dot has classified cellulose nitrate film as a hazardous material. Nitrocellulose, also called cellulose nitrate, a mixture of nitric esters of cellulose, and a highly flammable compound that is the main ingredient of modern gunpowder and is also employed in certain lacquers and paints.
The requirements of this standard, therefore, apply strictly to longterm storage of cellulose nitrate film. Safety assessment of nitrocellulose and collodion as used. C rating shall be installed and maintained ready for use in projection rooms, in accordance with nfpa 40. Cellulose nitrate definition of cellulose nitrate by the. Other companies are charging thousands of dollars to set up. Eastmantm cap cellulose ester nf powder product no ean 907225. Cellulose acetate ca membrane filters glass fiber gf membrane filters cn membranes are ideal for filtering and clarifying buffers and other aqueous solutions when protein binding is not a concern.
Irx3 is a member of the iroquois homeobox gene family see irx1. There are three broad types of filmbased photographic materials. Motion picture or sound recording film that is coated on a support or base consisting essentially of cellulose nitrate. Originally, glass plates were used as a substrate, but during wwi were replaced first with cellulose. Evaluating the extent of deterioration the nitrate film you have in storage may be middleaged, but. Standard for the storage and handling of cellulose nitrate. It is extremely important to identify any cellulose nitrate in. Unfortunately, cellulose nitrate and cellulose acetates are unstable. Hazardous ingredients according to regulation ec no 1272 2008. The 19thcentury development that allowed for the nitration of cellulose fibres obtained from cotton linters may constitute the advent of plastics. The solvent may evaporate if the solution is spilled, leaving a plastic film that is easily ignited and burns very vigorously.
Evaluating the extent of deterioration the nitrate film you have in storage may be middleaged, but if it was properly stored, it may be quite usable. Nitrocellulose and cellulose, nitrate are listed as technical names for collodion, and cellulose, nitrate is also listed as a technical name for nitrocellulose. Nitrocellulose xray film ignition was the cause of the. The storage of all cellulose nitrate still picture and motion picture film is regulated by national fire protection association nfpa 40 standard for the storage and handling of cellulose nitrate film. Cellulose nitrate definition of cellulose nitrate by.
Nitrocellulose for safety, occupational health and environmental control purpose, it should be informed to the employees, users and customers all data stated in this sheet. In addition, transportation of cellulose nitrate film is regulated by the department. Title 49, code of federal regulations 49cfr, parts 100 through 185, govern the transportation of hazardous materials. Pyroxylin solution appears as a solution in absolute ethanol or another organic solvent of cellulose nitrate nitrocellulose that contains 11. Cellulose acetate material safety data sheet cas no. This video shows the very exothermic combustion of cellulose nitrate. Msds nitrocellulose membrane filter for technical assistance call 180033472 19252250349 section 8 exposure controls, personal protection. Clean surface thoroughly to remove residual contamination. This odor is unmistakable when a quantity of nitrate film has been stored, especially in a nonventilated area. Material safety data sheet nitrocellulose membrane filter. Material safety data sheet eastman chemical company.
Store deteriorated cellulose nitrate films separate from other cellulose nitrate films. In 2012, the us adopted the 16 section safety data sheet to replace material. Cellulose nitrate is flammable and releases hazardous nitrogen oxide gases as it deteriorates. Storage of cellulose nitrate film shall be in accordance with nfpa 40. It is highly flammable and also decomposes with age, becoming toxic. Enamel is basically a glass colored by the addition of metal oxides and fused onto a metal base. Please attribute this work as being created by the north carolina school of. Important updates in nfpa 40, standard for the storage and handling of cellulose nitrate film help you improve fire protection around still and motion picture film. Narrow pore size distribution one of the major features of whatman membrane filters is the narrow distribution of pore sizes. Due to its extreme flammability, cellulose nitrate motion picture film requires special fire safety and fire protection precautions. Major industrial polymers major industrial polymers cellulose nitrate. It catches fire very easily and one alight is difficult to put out.
Identification of the substancemixture and of the companyundertaking product identifier product name. This leaflet is for private individuals and voluntary groups who have or find old film in domestic or other nonworkplace premises. Cellulose nitrate has a characteristic acid odor, similar to that of nitric acid. Cellulose nitrate was first used as a base for photographic roll film by george eastman in 1889. Health and safety executive the dangers of cellulose nitrate film page 3 of 6 a noticeable acrid odour that may range from being a faintly irritating smell to strongly irritating fumes. If nitratebased film stock is in your holdings and it hasnt decomposed extensively yet, chances are its stable or at least decomposing slowly enough that now is the time to check, inspect, scan or screen. Material safety data sheet freestyle photographic supplies. Disposal of cellulose nitrate film introduction cellulose nitrate nitrate film was manufactured from about 19101950 for use as a nonbreakable, lightweight alternative to glass plate photographic negatives. Soluble to ester, ketone, and alcohol cellulose nitrate spontaneous ignition point. Cellulose nitrate cn membrane filters thermo fisher. Checklist for cellulose nitrate film storage definition of cellulose nitrate film. Lily rothman, time, this mysterious longlost film of the brooklyn bridge wasnt seen for a century, 18 may 2018 these example sentences are selected automatically from various online news sources to reflect current usage of the. Cellulose nitrate has been used to repair crazed enamel. A hard and durable material which kept its shape and colour well, cellulose nitrate seemed like the perfect plastic frame material, until its use was discontinued due to safety concerns.
Nitrate degradation is a slow chemical process that occurs because of two factors. Your new online msds binder is a place for you to store the material safety data sheets you need to deploy. Microplus31 stl membrane circles black, for membranebutler, cellulose nitrate, diam. Two approved fire extinguishers with an approved water or water solution extinguisher with a minimum 10b. Introduction to nitrate film national science and media. Cellulose acetate cas no 9004357 material safety data sheet sdsmsds. Below is the msds for our nitrocellulose containing membranes.