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Methylene Blue, 1% USP (Pharmaceutical) Grade, 50 mL (1.69 fl oz) Glass; 3rd Party Tested

Methylene Blue, 1% USP (Pharmaceutical) Grade, 50 mL (1.69 fl oz) Glass; 3rd Party Tested

Q: Is this the same as prussian blue? is it food grade?

This is not Prussian blue. Despite both being able to function as potent blue dyes, methylene blue and Prussian blue are not chemically similar to each other. This methylene blue is United States Pharmacopeia (USP) grade, which is generally accepted for food, drug, and medicinal use.

Q: What is the shelf life of this?

This product is assigned a shelf life of two years from the date of manufacture.

Q: Can someone help me with the math? Does this mean that you only get 5/100 ml servings per bottle? If so, this is ridiculously expensive.

Wayne's response isn't quite right. There are 1000 drops in a 50 mL bottle. Each drop is 0.5 mg of active ingredient (or 2 drops per mg, which Wayne got correct) or a total of 500 mg of active ingredient in each 50 mL bottle.

Q: Is the certificate of analysis available by batch ?; the one on the listing does not even have a date and the web site does not show any certificates

There is a product number, a lot number, and an expiration date printed on the label.

4.4/5

产品编号: 724829650

安全交易

细节

Item Weight
3 Ounces
Product Grade
USP
Molecular weight
319
Molecular formula
C16H18ClN3S
Purity Percentage
1

经常一起购买

Methylene Blue, 1% USP (Pharmaceutical) Grade, 50 mL (1.69 fl oz) Glass; 3rd Party Tested

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描述

有问题吗？看看别人问了什么

Is this the same as prussian blue? is it food grade?

What is the shelf life of this?

Can someone help me with the math? Does this mean that you only get 5/100 ml servings per bottle? If so, this is ridiculously expensive.

Is the certificate of analysis available by batch ?; the one on the listing does not even have a date and the web site does not show any certificates

常见问题

TrustPilot

TrustScore 4.5 | 7,300多个评论

阿里·H.

发货快，包装精良。Leatherman 工具手感非常高档和坚固。

1天前

Anjali K.

产品质量出色。正是我的工作所需要的。

1 个月前

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TrustPilot

TrustScore 4.5 | 7,300多个评论

Ayesha M.

产品与描述完全相符。对我的购买非常满意。

5天前

阿里·H.

发货快，包装精良。Leatherman 工具手感非常高档和坚固。

1天前

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