There is an older feature request along the same lines with 60+ upvotes:
http://feedback.shipstation.com/forums/330429-product-feedback-fresh-ideas/suggestions/11694558-splitting-multiple-orders-simultaneously
We would love the ability to auto-split orders of certain products to
more easily comply with hazmat rules. There is also a more recently
suggested duplicate of this feature request that has more than 150+
votes:
http://feedback.shipstation.com/forum...
